Home / Standards / GB/T 38173-2019 GB/T 38173-2019 Active Polytetrafluoroethylene staple fibre 聚四氟乙烯短纤维 Standard Type GBT ICS 59.060.20 CCS W52 Status 现行 Issue Date 2019-10-18 Implementation 2020-05-01 Responsible Dept 国家标准委 Drafting Unit N/A