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GB/T 41455-2022 Underground pipeline element data dictionary - 英文版 |
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GB/T 41332-2022 Technical requirements for remote detection equipment for municipal Underground pipelines - 英文版 |
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GB/T 19472.1-2019 Polyethylene structure wall pipeline system for underground usage—Part 1: Polyethylene double wall corrugated pipes - 英文版 |
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GB/T 18477.3-2019 Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage—Part 3: Axial hollow-wall construction pipes - 英文版 |
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GB/T 21448-2017 Specification of cathodic protection for underground steel pipelines - 英文版 |
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GB/T 35644-2017 Specification for data acquisition of Underground pipeline - 英文版 |
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GB/T 29806-2013 Information technology - Technical requirements for exchanging Underground pipeline data - 英文版 |
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GB/T 18477.2-2011 Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and draindge - Part 2: Ultra-Rib pipes - 英文版 |
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GB/T 18477.3-2009 Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage - Part 3: Bilayer and hollow-wall construction with axial hollow pipes - 英文版 |
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GB/T 21448-2008 Specification of cathodic protection for underground steel pipelines - 英文版 |
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GB/T 19472.1-2004 Polyethylene structure wall pipeline system for underground usage--Part 1:Polyethylene double wall corrugated pipes - 英文版 |
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