rofile steels;Resisting moment;Rolled;Sections (structures);Specification (approval);Steel bars;Steels;Straightness;Symbols;Tolerances (measurement);U-beams;Weights【摘要】: 【中国标准分类号】: H44【国际标准分类号】: 77_140_70【页数】: 5P.;A4【正文语种】: 德语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |