Home / Standards / GB/T 19472.2-2004 GB/T 19472.2-2004 Abolished Polyethylene structure-wall piping system for underground usage--Part 2: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 废止 Issue Date 2004-03-15 Implementation 2004-10-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A