zhouyanfei 发表于 2012-12-11 13:09:01

求标准ASTM A 600a-1992 Standard Specification for Tool Steel High Speed

求标准ASTM A 600a-1992 Standard Specification for Tool Steel High Speed ，谢谢

zhouyanfei 发表于 2013-5-23 18:58:08

爱协林 发表于 2013-5-23 14:52 static/image/common/back.gif
http://www.rclbbs.com/forum.php?mod=viewthread&tid=155733&extra=

非常感谢啊，谢谢啊!!

爱协林 发表于 2013-5-23 14:52:05

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