Home / Standards / GB/T 45344-2025 GB/T 45344-2025 Active General technical requirements for fabricated and prefabricated gas piping used in buildings 建筑用装配式预制燃气管道通用技术条件 Standard Type GBT ICS 91.140 CCS P47 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A