asnt2012 发表于 2018-3-5 09:43:08

BS ISO 3875 2004 Machine tools - Test conditions for external cylindrical centre

BS ISO 3875 2004 Machine tools - Test conditions for external cylindrical centreless grinding machines - Testing of the accuracy

admin 发表于 2018-3-7 09:34:16

谢谢您的分享，金币已奖励!
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