Home / Standards / GB/T 47344-2026 GB/T 47344-2026 Upcoming Durability test method of permanent magnets under multi-field coupling—Elevated temperature and reversal magnetic field 永磁体多场耦合耐久性测试方法 高温和反向磁场 Standard Type GBT ICS 29.030 CCS K14 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A