Home / Standards / GB/T 42952.1-2023 GB/T 42952.1-2023 Active Thermoplastics pipes for the conveyance of fluids—Dimensions and tolerances—Part 1:Metric series 流体输送用热塑性塑料管材 尺寸和公差 第1部分:公制系列 Standard Type GBT ICS 83.140.30 CCS G33 Status 现行 Issue Date 2023-08-06 Implementation 2024-03-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A