roperties;Screws (bolts);Self-cutting screws;Shape;Specification (approval);Testing;Thread forms;Thread groove;Thread rolling;Thread-cutting;Threads【摘要】: 【中国标准分类号】: J13【国际标准分类号】: 21_060_10【页数】: 15P.;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 |