Home / Standards / GB/T 39025-2020 GB/T 39025-2020 Active Spun-dyed polyimide staple fiber 有色聚酰亚胺短纤维 Standard Type GBT ICS 59.060.20 CCS W52 Status 现行 Issue Date 2020-07-21 Implementation 2021-02-01 Responsible Dept 国家标准委 Drafting Unit N/A