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BS 6323-6-1982 Specification for seamless and welded steel tubes for automobile, mechanical and general engineering purposes. Specific requirements for cold finished electric resistance welded

时间:2012年01月09日分类:机械标准 >> 钢铁标准 发布:标准分享网
BS 6323-6-1982 Specification for seamless and welded steel tubes for automobile, mechanical and general engineering purposes. Specific requirements for cold finished electric resistance welded
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