Home / Standards / GB/T 30970-2014 GB/T 30970-2014 Active Test method for the shear properties of polymer matrix composite materials by V-notched beam method 聚合物基复合材料剪切性能V型缺口梁试验方法 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2014-07-24 Implementation 2015-01-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A