Home / Standards / GB/T 41004.2-2021 GB/T 41004.2-2021 Active Intelligent pipe network system—Part 2:Intelligent plastic pipes,fittings and valves 智能管网系统 第2部分：智能塑料管材、管件及阀门 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2021-12-31 Implementation 2022-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A