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标题: IEC 60534-3-1976 [打印本页]

作者: liuxilin1215 时间: 2014-1-1 08:04:54 标题: IEC 60534-3-1976

IEC 60534-3-1976 Industrial-process control valves. Part 3 : Dimensions. Section One: Face-to-face dimensions for flanged, two-way, globe-type control valves

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作者: admin 时间: 2014-1-2 18:36:41

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