Home / Standards / GB/T 31212-2014 GB/T 31212-2014 Active Non-destructive testing―Magnetic flux leakage testing―General principles 无损检测 漏磁检测 总则 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2014-09-03 Implementation 2015-05-01 Responsible Dept 国家标准委 Drafting Unit N/A