Home / Standards / GB/T 33621-2017 GB/T 33621-2017 Active Test method for bending properties of 3D braided fabric and its polymer matrix composites 三维编织物及其树脂基复合材料弯曲性能试验方法 Standard Type GBT ICS 59.100.99 CCS W04 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 中国纺织工业联合会 Drafting Unit N/A