Home / Standards / GB/T 34520.4-2017 GB/T 34520.4-2017 Active Test methods for continuous silicon carbide fiber—Part 4:Tensile properties of filament yarn 连续碳化硅纤维测试方法 第4部分:束丝拉伸性能 Standard Type GBT ICS 49.025.99 CCS V13 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit N/A