Home / Standards / GB/T 18997.1-2020 GB/T 18997.1-2020 Active Plastic/aluminum/plastic composite pressure pipes—Part 1: Composite pipes overlap-welded by aluminum pipe 铝塑复合压力管 第1部分:铝管搭接焊式铝塑管 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A