埋地钢质管道双层熔结环氧粉末外涂层技术规范
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2019-03-20 11:24:42
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埋地钢质管道双层熔结环氧粉末外涂层技术规范Q/CNPC中国石油天然气集团公司企业标准Q/CNPC38-2002埋地钢质管道双层熔结环氧粉末外涂层技术规范Technicalspecificationofexternaldual一layerfusionbondedepoxypowdercoatingforburiedsteelpipe2002一01一30发布2002一06一01实施中国石油天然气集团公司发布Q/CNPC38-2002目次前言························，·····································，············································⋯⋯I1范围·············································································································⋯⋯12规范性引用文件········，····················································，···············，·············⋯⋯13一般规定································································································⋯⋯14双层环氧粉末外涂层结构和类型························································..··⋯⋯，二25材料····································································································，···⋯⋯25.1钢管·······················································································，··········⋯⋯25.2环氧粉末··············································
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