yhbxb 发表于 2015-3-18 14:47:24

BS EN 10289-2002 Steel tubes and fittings for onshore and offshore pipelines —

BS EN 10289-2002 Steel tubes and fittings for onshore and offshore pipelines — External liquid applied epoxy and epoxy-modified coatings

admin 发表于 2015-3-19 10:46:46

谢谢您的分享,金币已奖励!
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