Home / Standards / GB/T 34885-2017 GB/T 34885-2017 Active Non-destructive testing—Electromagnetic ultrasonic testing—General principles 无损检测 电磁超声检测 总则 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2017-11-01 Implementation 2018-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委