Home / Standards / GB/T 43489-2023 GB/T 43489-2023 Active Sintered neodymium iron boron permanent magnets—Steady state damp heat tests 烧结钕铁硼永磁体 恒定湿热试验 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2023-12-28 Implementation 2024-07-01 Responsible Dept 国家标准委 Drafting Unit N/A