Home / Standards / GB/T 16727-2025 GB/T 16727-2025 Active Precast concrete plate for composite slab 叠合板用预制混凝土底板 Standard Type GBT ICS 91.060 CCS Q 72 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A