Home / Standards / GB/T 1927.21-2022 GB/T 1927.21-2022 Active Test methods for physical and mechanical properties of small clear wood specimens—Part 21: Determination of nail and screw holding power 无疵小试样木材物理力学性质试验方法 第21部分:握钉力测定 Standard Type GBT ICS 79.040 CCS B68 Status 现行 Issue Date 2022-12-30 Implementation 2022-12-30 Responsible Dept 国家林草局 Drafting Unit N/A