Home / Standards / GB/T 34363-2017 GB/T 34363-2017 Active Non-destructive testing—Test method for fabricating and checking aluminum alloy ultrasonic standard reference blocks 无损检测 铝合金超声标准试块制作和校验方法 Standard Type GBT ICS 19.100 CCS J04 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 国家标准委 Drafting Unit N/A