Greaseless bearings that eliminate sliding friction
Greaseless bearings that eliminate sliding friction
(http://www.diginfo.tv/v/PD-1063-en.php)
Coo Space: http://www.coo-space.com/
J-GoodTech: https://jgoodtech.smrj.go.jp/corporat...
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Coo Space
Greaseless bearings
DigInfo TV - http://www.diginfo.tv