ir_71 发表于 2014-6-29 17:14:15

ISO 21809-3:2008

ISO 21809-3:2008
Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems —
Part 3: Field joint coatings





2013 发表于 2014-6-29 23:13:30

谢谢分享！！！！！！！！！！！！

admin 发表于 2014-6-30 09:59:28

谢谢您的分享，金币已奖励

countryboy66 发表于 2014-9-8 09:41:41

有劳动才有回报。谢谢！

asnt2012 发表于 2017-6-22 16:47:24

谢谢分享  ISO 21809-3:2008
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