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lyklzy 发表于 2018-5-9 00:14:13

BS EN ISO 21968-2005

BS EN ISO 21968:2005 / ISO 21968: 2005(E) First Edition 2005-07-15
Non-Magnetic Metallic Coatings on Metallic and Non-Metallic Basis Materials -
Measurement of Coating Thickness - Phase-Sensitive Eddy-Current Method

admin 发表于 2018-5-9 11:08:52

谢谢您的分享，金币已奖励!

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