Home / Standards / GB/T 47408-2026 GB/T 47408-2026 Upcoming Polyacrylonitrile-based oxidized fiber 聚丙烯腈基氧化纤维 Standard Type GBT ICS 59.100.20 CCS Q 53 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 国家标准委 Drafting Unit N/A