Home / Standards / GB/T 21239-2022 GB/T 21239-2022 Active Test method for compression after impact properties of fiber reinforced plastic laminates 纤维增强塑料层合板冲击后压缩性能试验方法 Standard Type GBT ICS 83.120 CCS Q23 Status 现行 Issue Date 2022-10-14 Implementation 2023-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A