NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3658-2022
Ring test method for magnetic properties of soft magnetic metal materials and powder metallurgy materials in the frequency range of 20Hz to 100kHz 软磁金属材料和粉末冶金材料20Hz~100kHz频率范围磁性能的环形试样测量方法
Issued Date:2022/10/12
Implemented Date:2022/10/12
Issued by:
The Standardization Administration of the People's Republic of China
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