clyde88 发表于 2017-7-12 19:16:35

ISO 21940:21-2012

ISO 21940:21-2012 Mechanical vibration — Rotor balancing —Part 21: Description and evaluation of balancing machines

admin 发表于 2017-7-13 16:35:41

谢谢您的分享,金币已奖励!
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查看完整版本: ISO 21940:21-2012