FZKER 发表于 2018-5-23 16:27:23

ASTM A485-2017

ASTM A485-2017 Standard Specification for High Hardenability Antifriction Bearing Steel

admin 发表于 2018-5-25 10:49:51

谢谢您的分享，金币已奖励!
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查看完整版本: ASTM A485-2017