Home / Standards / GB/T 31291-2014 GB/T 31291-2014 Active Standard for evaluation of duration of load and creep effects of wood and wood-based products 木材和木基产品的荷载持续时间效应和蠕变性能评定 Standard Type GBT ICS 91.080.20 CCS B60 Status 现行 Issue Date 2014-12-05 Implementation 2015-03-11 Responsible Dept 国家林草局 Drafting Unit N/A