ASTM A921/A921M-93(2005) Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Qua

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标准类别: 国外标准
关键词: ASTM   A921   A921M   93   2005

标准简介

ASTM A921/A921M-93(2005) Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, for Subsequent Hot Forging
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