求ASTM A 640-1997(或更新版本)
求ASTM A 640-1997(或更新版本),急用,多谢! ASTM A640-97(R2009)e1 8字型电缆悬缆支承用镀锌钢绞丝http://bbs.infoeach.com/thread-68801-1-1.html
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=68791
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=68831&extra=
2002版本!!!
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=68801&pid=272942&page=1&extra=#pid272942
http://bbs.infoeach.com/forum.php?mod=viewthread&tid=68801&pid=272942&page=1&extra=#pid272942
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