Home / Standards / GB/T 45972-2025 GB/T 45972-2025 Active Technical requirements for complete sets of production equipment for concrete slabs of prefabricated buildings 装配式建筑用混凝土板材生产成套装备技术要求 Standard Type GBT ICS 91.110 CCS Q92 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A