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一根工字钢有多少米比较标准的
更新时间: 2020-11-17 00:00:00  

中华人民共和国国家标准:

GB/T706-2008热轧型钢。

本标准当前有效。按照本标准的规定,工字钢的“通常长度为5000mm~19000mm。根据需方要求也可供应其他长度的产品。”

关键词: 工字钢 多少 比较 标准

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