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标题: UL 1439-2004 Tests for Sharpness of Edges on Equipment [打印本页]

作者: lotus999 时间: 2014-12-5 17:16:35 标题: UL 1439-2004 Tests for Sharpness of Edges on Equipment

论坛是1988版的，这个为2004版本
UL 1439-2004 Tests for Sharpness of Edges on Equipment

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作者: admin 时间: 2014-12-6 11:07:32

谢谢您的分享，金币已奖励

作者: richard4900 时间: 2017-5-9 17:26:44

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

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