Home / Standards / GB/T 3217-2013 GB/T 3217-2013 Active Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties 永磁(硬磁)材料 磁性试验方法 Standard Type GBT ICS 29.100.01 CCS K14 Status 现行 Issue Date 2013-07-19 Implementation 2013-12-02 Responsible Dept 中国电器工业协会 Drafting Unit N/A