Home / Standards / GB/T 28704-2012 GB/T 28704-2012 Abolished Non-destructive testing - Test method for ultrasonic guided wave testing based on magnetostrictive effects 无损检测 磁致伸缩超声导波检测方法 Standard Type GBT ICS 19.100 CCS J04 Status 废止 Issue Date 2012-09-03 Implementation 2013-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委