HB7418-2013 A286MJ 螺纹短螺纹小六角头螺栓.pdf

A286MJ螺纹短螺纹小六角头螺栓ReducedhexagonheadboltswithMJthread,shortthread,A2862013－10－13发布2014－03－01实施中华人民共和国工业...