Home / Standards / GB/T 35748-2017 GB/T 35748-2017 Active Polytetrafluoroethylene filament 聚四氟乙烯长丝 Standard Type GBT ICS 59.060.20 CCS W52 Status 现行 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 国家标准委 Drafting Unit N/A