cc523pate 发表于 2017-7-23 14:18:54

BS ISO 19259-2015 Plain bearings — Bearings with embedded solid lubricants

BS ISO 19259-2015 Plain bearings — Bearings with embedded solid lubricants



admin 发表于 2017-7-25 12:57:03

谢谢您的分享,金币已奖励!
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