Home / Standards / GB/T 26644-2011 GB/T 26644-2011 Active Non-destructive testing - Acoustic emission testing - General principle 无损检测 声发射检测 总则 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2011-06-16 Implementation 2012-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委