Home / Standards / GB/T 11981-2024 GB/T 11981-2024 Active Steel furring for building 建筑用轻钢龙骨 Standard Type GBT ICS 91.060 CCS Q73 Status 现行 Issue Date 2024-10-26 Implementation 2025-05-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A