ygs67 发表于 2016-12-27 10:26:40

IEC 62494-1-2008

IEC 62494-1-2008 Medical electrical equipment - Exposure index of digital X-ray imaging systems - Part 1: Definition and requirements of general radiography

admin 发表于 2016-12-28 17:03:33

谢谢您的分享,金币已奖励!
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