Home / Standards / GB/T 34018-2017 GB/T 34018-2017 Active Non-destructive testing—Test method for scanning ultrasonic microscopy 无损检测 超声显微检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 国家标准委 Drafting Unit N/A