Home / Standards / GB/T 33643-2017 GB/T 33643-2017 Active Non-destructive testing—Test methods for leak detection by means of acoustic emission 无损检测 声发射泄漏检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 国家标准委 Drafting Unit N/A