sanmaosjy 发表于 2017-11-28 08:51:52

JIS B 1701-1-2012 Cylindrical gears for general and heavy engineering -- Part 1

JIS B 1701-1-2012 Cylindrical gears for general and heavy engineering -- Part 1: Standard basic rack tooth profile

admin 发表于 2017-11-28 12:40:59

谢谢您的分享，金币已奖励!
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