Home / Standards / GB/T 47009-2026 GB/T 47009-2026 Upcoming Test method for durability of rare earth permanent magnetic materials under high temperature and reversed magnetic field 稀土永磁材料高温反向磁场耐久试验方法 Standard Type GBT ICS 77.120.99 CCS H14 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家标准委 Drafting Unit N/A