GB/T 35690-2017弱磁材料相对磁导率的测量方法国家标准
英文:Methods for the determination of the relative magnetic permeability of feebly magnetic materials GB/T 35690-2017介绍: 国...
英文:Methods for the determination of the relative magnetic permeability of feebly magnetic materials GB/T 35690-2017介绍: 国...