ranrin 发表于 2014-5-13 19:01:54

ASTM A574-2013及SAE J121/J121M-2013

求助以下标准资料

ASTM A574-2013
SAE J121/J121-2013

sigh007 发表于 2014-5-14 13:47:15

ASTM A574-2013Standard Specification for Alloy Steel Socket-Head Cap Screws
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=51291&fromuid=1
页: [1]
查看完整版本: ASTM A574-2013及SAE J121/J121M-2013