Home / Standards / GB/T 19472.2-2017 GB/T 19472.2-2017 Active Polyethylene structure-wall piping systems for underground usage—Part2: Polyethylene spirally enwound structure-wall pipes 埋地用聚乙烯（PE）结构壁管道系统 第2部分：聚乙烯缠绕结构壁管材 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A