Home / Standards / GB/T 40388-2021 GB/T 40388-2021 Active Test method for shear strength of C/C composites 碳/碳复合材料剪切强度试验方法 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A