Home / Standards / GB/T 26899-2022 GB/T 26899-2022 Active Structural glued laminated timber 结构用集成材 Standard Type GBT ICS 79.060.99 CCS B70 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 国家林草局 Drafting Unit N/A