兑水 发表于 2009-12-7 08:37:52

ASTM F 2162-2001 滚针滚柱轴承标准规范:拉制外环、完全配套...

F2162-01e2 Standard Specification for Bearing, Roller, Needle: Drawn Outer Ring, Full Complement, Without Inner Ring, Open and Closed End, Standard Type
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