Home / Standards / GB/T 40048-2021 GB/T 40048-2021 Active Test methods for bolted connections in structural wood and wood-based materials 木质结构材螺栓连接力学性能测试方法 Standard Type GBT ICS 91.080.20 CCS P23 Status 现行 Issue Date 2021-04-30 Implementation 2021-11-01 Responsible Dept 国家林草局 Drafting Unit N/A