Home / Standards / GB/T 32543-2026 GB/T 32543-2026 Upcoming Building construction machinery and equipment—Concrete delivery pipes—Connection types and safety requirements 建筑施工机械与设备 混凝土输送管 连接型式和安全要求 Standard Type GBT ICS 91.220 CCS P 97 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A