alamutu12345 发表于 2016-5-26 14:57:33

CSA Z245.20-2010 Plant-applied external coatings for steel pipe

CSA Z245.20 Series-10 Plant-applied external coatings for steel pipe
FBE coating and 3LPE coating for oil and gas pipeline

admin 发表于 2016-5-27 09:13:12

谢谢您的分享,金币已奖励!
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