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标题: ASTM A694 A694M-13 [打印本页]

作者: ygs67 时间: 2015-6-18 09:31:32 标题: ASTM A694 A694M-13

ASTM A694 A694M-13 Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings,Valves, and Parts for High-Pressure Transmission Service

作者: admin 时间: 2015-6-23 11:40:10

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