十字槽盘头自挤螺钉6560-2014-gbt-e-300.pdf

ICS21.060.10J13中华人民共和国国家标准GB/T6560—2014代替GB/T6560—1986十字槽盘头自挤螺钉Crossrecessedpanheadthreadrollingscrews2014...