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标题: ISO 20998-1:2006 [打印本页]

作者: fjjian 时间: 2013-9-24 12:40:50 标题: ISO 20998-1:2006

Measurement and characterization of particles by acoustic methods -- Part 1: Concepts and procedures in ultrasonic attenuation spectroscopy

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作者: sigh007 时间: 2013-9-24 12:40:51

ISO 20998-1:2006
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