China Buried polyethylene（ GB Standards Search Result |
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GB/T 37580-2019 Requirements for Buried polyethylene（PE） gas pipeline corrosion control engineering life cycle 聚乙烯（PE）埋地燃气管道腐蚀控制工程全生命周期要求 - 中英文版 |
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GB 15558.3-2008 Buried polyethylene（PE）piping systems for the supply of gaseous fuels - Part 3: Valves 燃气用埋地聚乙烯(PE)管道系统 第3部分：阀门 - 中英文版 |
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