liuxilin1215 发表于 2015-3-5 11:33:03

API 20B-2013 Open Die Shaped Forgings for Use in the Petroleum and Natural Gas I

API 20B-2013 Open Die Shaped Forgings for Use in the Petroleum and Natural Gas Industry


gfggbg 发表于 2015-3-5 12:34:54

非常感谢分享,元宵节快乐!

ankellj 发表于 2015-3-5 20:50:42

谢谢楼主共享,下载学习!

admin 发表于 2015-3-6 09:31:09

谢谢您的分享,金币已奖励!

lxg123654 发表于 2015-8-29 09:49:15

感谢楼主分享!!!!!

冷蓝色眼泪 发表于 2016-5-12 18:22:17

感谢楼主的大公无私!!:lol

Alex小虫 发表于 2016-6-1 09:08:28

:)感谢楼主分享!:lol:lol:lol:lol:lol

五分头LW 发表于 2016-11-25 11:12:14

谢分享                                    

jiahuilinger 发表于 2016-12-2 10:58:02

:$:$ API 20B-2013 Open Die Shaped Forgings for Use in the Petroleum and Natural Gas  thanks!!!!!!!!

lotus888 发表于 2017-6-25 10:06:24

API 20B-2013 Open Die Shaped Forgings for Use in the Petroleum and Natural Gas Industry
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