GB/T 18852-2020
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18852-2020
Non-destructive testing—Ultrasonic testing—Reference blocks and test procedures for the characterization of contact probe sound beams 无损检测 超声检测 测量接触探头声束特性的参考试块和方法
Issued Date:2020
Implemented Date:2021/6/1
Issued by:
The Standardization Administration of the People's Republic of China