liuxilin1215 发表于 2014-12-5 19:47:25

UL 1439-2011 设备边缘锐度的测试

UL 1439-2011 Standard for Safety Tests for Sharpness of Edges on Equipment
设备边缘锐度的测试


admin 发表于 2014-12-6 11:12:07

谢谢您的分享，金币已奖励

herytanku88 发表于 2015-1-26 13:17:45

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richard4900 发表于 2017-5-9 17:24:37

UL 1439-2011 Standard for Safety Tests for Sharpness of Edges on Equipment
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