Home / Standards / GB/T 41827-2022 GB/T 41827-2022 Active Polyolefin infiltration drainage mesh pipe for civil engineering application 土工用聚烯烃渗排水网状管 Standard Type GBT ICS 83.140.30 CCS Y28 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A