hackxy 发表于 2018-8-7 21:55:05

ISO 10423-2009 Petroleum and natural gas industries



ISO 10423-2009
Petroleum and natural gas industries —
Drilling and production equipment —
Wellhead and christmas tree equipment

admin 发表于 2018-8-10 17:37:36

谢谢您的分享,金币已奖励!

pelezhang 发表于 2021-2-14 20:10:47

非常感谢楼主的分享。
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