Home / Standards / GB/T 31290-2022 GB/T 31290-2022 Active Carbon fibre—Determination of the tensile properties of single-filament specimens 碳纤维 单丝拉伸性能的测定 Standard Type GBT ICS 59.100.20 CCS Q53 Status 现行 Issue Date 2022-07-11 Implementation 2023-02-01 Responsible Dept 国家标准委 Drafting Unit N/A