Home / Standards / GB/T 38070-2019 GB/T 38070-2019 Active Structural composite lumber for use in structural glued laminated timber 结构用集成材木质复合层板 Standard Type GBT ICS 91.080.20 CCS P23 Status 现行 Issue Date 2019-10-18 Implementation 2020-05-01 Responsible Dept 国家林草局 Drafting Unit N/A