Used Grease for sale (571)

  • Sort results

  • Lowest price Highest price
  • Newest listings Oldest listings
  • Shortest distance Farthest distance
  • Newest year of manufacture Oldest year of manufacture
  • Latest update Oldest update
  • Manufacturer A to Z Manufacturer Z to A
  • Relevance
Lowest price
Price
Highest price
Price
Newest listings
Release date
Oldest listings
Release date
Shortest distance
Distance
Farthest distance
Distance
Newest year of manufacture
Year of construction
Oldest year of manufacture
Year of construction
Latest update
Update
Oldest update
Update
Manufacturer A to Z
Manufacturer
Manufacturer Z to A
Manufacturer
designation from A to Z
Description
designation from Z to A
Description
Model from A to Z
Model
Model from Z to A
Model
Lowest reference
Ref.No.
Highest reference
Ref.No.
Shortest runtime
Runtime
Longest duration
Runtime
Relevance
Relevance
Listing
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
Eccentric press double column AIDA NC2-250 2-POINT ECCENTRIC GAP  PRESS 250ton
more images
Hungary Tata
1,972 km

Eccentric press double column
AIDA NC2-2502-POINT ECCENTRIC GAP PRESS 250ton

Call
Listing
Wolf Separator Terra-Star TSC.154 Wolf Separator Terra-Star TSC.154
Wolf Separator Terra-Star TSC.154 Wolf Separator Terra-Star TSC.154
Wolf Separator Terra-Star TSC.154 Wolf Separator Terra-Star TSC.154
Wolf Separator Terra-Star TSC.154 Wolf Separator Terra-Star TSC.154
more images
Germany Großwallstadt
1,260 km

Wolf Separator Terra-Star TSC.154
WolfSeparator Terra-Star TSC.154

Call
Listing
Compact Dry Ice Cleaning Machine CORMAK DI325
Compact Dry Ice Cleaning Machine CORMAK DI325
Compact Dry Ice Cleaning Machine CORMAK DI325
Compact Dry Ice Cleaning Machine CORMAK DI325
Compact Dry Ice Cleaning Machine CORMAK DI325
Compact Dry Ice Cleaning Machine CORMAK DI325
Compact Dry Ice Cleaning Machine CORMAK DI325
more images
Poland Siedlce
2,045 km

Compact Dry Ice Cleaning Machine
CORMAKDI325

Call
Listing
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
Universal machining center MAKA BC 570
more images
Germany Bochum
1,070 km

Universal machining center
MAKABC 570

Certified Dealer
Call
Listing
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
Roll-off container  Abrollcontainer mit Klappe ca. 11m³, überfahrbar
more images
Bovenden
1,244 km

Roll-off container
Abrollcontainer mit Klappe ca. 11m³, überfahrbar

Call
Listing
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
Refurbished Robot with 1 year warranty FANUC M-900iA/260L
more images
Netherlands Maastricht
993 km

Refurbished Robot with 1 year warranty
FANUCM-900iA/260L

Certified Dealer
Call
Listing
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
Screening plant Keestrack K4
more images
Belgium Bilzen-Hoeselt
979 km

Screening plant
KeestrackK4

Call
Listing
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
Fanuc FANUC ROBOSHOT Alpha S220iA (2019) Fanuc FANUC ROBOSHOT Alpha S220iA
more images
Trenčianske Stankovce
1,890 km

Fanuc FANUC ROBOSHOT Alpha S220iA (2019)
FanucFANUC ROBOSHOT Alpha S220iA

Certified Dealer
Call
Listing
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
Hob Peeling Machine GLEASON-PFAUTER 300 PS
more images
Germany Hilden
1,061 km

Hob Peeling Machine
GLEASON-PFAUTER300 PS

Certified Dealer
Call
Listing
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
Planer-Type Milling M/C - Double Column ZIMMERMANN FZ33c.030
more images
Germany Germany
1,293 km

Planer-Type Milling M/C - Double Column
ZIMMERMANNFZ33c.030

Certified Dealer
Call
Listing
Rotary milling machine RYE R80 SM
Rotary milling machine RYE R80 SM
more images
Poland Porażyn
1,649 km

Rotary milling machine
RYER80 SM

Call
Listing
Machining center Seron 2131 2531 PKK7500
Machining center Seron 2131 2531 PKK7500
Machining center Seron 2131 2531 PKK7500
more images
Poland Urzędów
2,076 km

Machining center
Seron2131 2531 PKK7500

Call
Listing
Industrial robot ABB IRB6700-205/2.80 IRC5 (RW6)
Industrial robot ABB IRB6700-205/2.80 IRC5 (RW6)
Industrial robot ABB IRB6700-205/2.80 IRC5 (RW6)
more images
Netherlands Weert
974 km

Industrial robot
ABBIRB6700-205/2.80 IRC5 (RW6)

Certified Dealer
Call
Listing
Rotary milling machine RYE R80E MC
Rotary milling machine RYE R80E MC
Rotary milling machine RYE R80E MC
more images
Poland Porażyn
1,649 km

Rotary milling machine
RYER80E MC

Call
Listing
Lubrication bolt d=90x2 8 M48 unbekannt Schaft Ø 70 mm  M48
Lubrication bolt d=90x2 8 M48 unbekannt Schaft Ø 70 mm  M48
Lubrication bolt d=90x2 8 M48 unbekannt Schaft Ø 70 mm  M48
Lubrication bolt d=90x2 8 M48 unbekannt Schaft Ø 70 mm  M48
Lubrication bolt d=90x2 8 M48 unbekannt Schaft Ø 70 mm  M48
more images
Germany Wiefelstede
1,085 km

Lubrication bolt d=90x2 8 M48
unbekanntSchaft Ø 70 mm M48

Certified Dealer
Call
Listing
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
Lubrication bolt 75x145 unbekannt Schaft: Ø 60 mm  M48
more images
Germany Wiefelstede
1,085 km

Lubrication bolt 75x145
unbekanntSchaft: Ø 60 mm M48

Certified Dealer
Call
Listing
Lubrication bolt M30 unbekannt Schaft: Ø 40 x 80 mm
Lubrication bolt M30 unbekannt Schaft: Ø 40 x 80 mm
Lubrication bolt M30 unbekannt Schaft: Ø 40 x 80 mm
Lubrication bolt M30 unbekannt Schaft: Ø 40 x 80 mm
Lubrication bolt M30 unbekannt Schaft: Ø 40 x 80 mm
Lubrication bolt M30 unbekannt Schaft: Ø 40 x 80 mm
more images
Germany Wiefelstede
1,085 km

Lubrication bolt M30
unbekanntSchaft: Ø 40 x 80 mm

Certified Dealer
Call
Listing
Sliding table press ME-Pressen Portal-Richtpresse
Sliding table press ME-Pressen Portal-Richtpresse
Sliding table press ME-Pressen Portal-Richtpresse
Sliding table press ME-Pressen Portal-Richtpresse
Sliding table press ME-Pressen Portal-Richtpresse
more images
Germany Gelsenkirchen
1,058 km

Sliding table press
ME-PressenPortal-Richtpresse

Call
Listing
Industrial robot ABB IRB2600ID-15/1.85 IRC5 (RW6)
Industrial robot ABB IRB2600ID-15/1.85 IRC5 (RW6)
Industrial robot ABB IRB2600ID-15/1.85 IRC5 (RW6)
Industrial robot ABB IRB2600ID-15/1.85 IRC5 (RW6)
more images
Netherlands Weert
974 km

Industrial robot
ABBIRB2600ID-15/1.85 IRC5 (RW6)

Certified Dealer
Call
Listing
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
SCM PROFISET 60 EP four side planer SCM profiset 60
more images
Poland Karsin
1,718 km

SCM PROFISET 60 EP four side planer
SCMprofiset 60

Call
Listing
Portal straightening press 300 T Hidrobrasil Richtpresse
Portal straightening press 300 T Hidrobrasil Richtpresse
Portal straightening press 300 T Hidrobrasil Richtpresse
Portal straightening press 300 T Hidrobrasil Richtpresse
Portal straightening press 300 T Hidrobrasil Richtpresse
more images
Germany Gelsenkirchen
1,058 km

Portal straightening press 300 T
HidrobrasilRichtpresse

Call
Siegel

Trust Seal

Dealers certified through Machineseeker

Trust Seal
Listing
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
Hood dishwasher Miele Haubenspühlmaschine PG8172 IPX5
more images
Germany Bad Lippspringe
1,164 km

Hood dishwasher
Miele Haubenspühlmaschine PG8172 IPX5

Call
Listing
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 CL TB650 - 2017y - 1138h
more images
Poland Brzesko
2,014 km

Hako Scrubmaster B70 NEW BATTERIES
HakoScrubmaster B70 CL TB650 - 2017y - 1138h

Call
Listing
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
Hako Scrubmaster B70 CL NEW BATTERIES Hako Scrubmaster B70 CL TB650 -2020y - 1074h
more images
Poland Brzesko
2,014 km

Hako Scrubmaster B70 CL NEW BATTERIES
HakoScrubmaster B70 CL TB650 -2020y - 1074h

Call
Listing
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
Hako Scrubmaster B70 NEW BATTERIES Hako Scrubmaster B70 TB650- 2022y - 113h
more images
Poland Brzesko
2,014 km

Hako Scrubmaster B70 NEW BATTERIES
HakoScrubmaster B70 TB650- 2022y - 113h

Call

This may be of interest to you

Machineseeker sample sales contract

Sample sales contract for used machines in nine languages

Strongest Forklift Trucks

Photo gallery: the 10 strongest forklift trucks in the world

Machineseeker No. 1 Marketplace

Why Machineseeker Remains Number One

Machineseeker Group Aquire Gebrauchtmaschinen.de Used-machines.com

Machineseeker Group acquires the platforms used-machines.com and Gebrauchtmaschinen.de

Extension Sponsor European Championship

Machineseeker agrees three-year extension as European Championship sponsor

Gindumac about smart sales strategies and the importance of online platforms

About smart sales strategies and the importance of online platforms