Home / Standards / GB/T 31967.3-2025 GB/T 31967.3-2025 Active Test methods for physical property of rare earth permanent magnetic materials—Part 3: Determination of resistivity 稀土永磁材料物理性能测试方法 第3部分:电阻率的测试 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit N/A