Home / Standards / GB/T 46537-2025 GB/T 46537-2025 Active Alumina continuous fibre 氧化铝连续纤维 Standard Type GBT ICS 59.060.20 CCS W52 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A