Report - ICS 77 140.70 H 44 石L20.pdfgb/t 11263-2005 月u 吕 本标准修改采用日本jis g3192-2000《热轧型钢的形状、尺寸、重量及允许偏差》。在 gb/t 11263-1998标准基础上进行修订，并合并了yb/t

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