China 'GB/T 18852-2002
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 18852-2002
Ultrasonic non-destructive testing--Reference blocks and test procedures for thc characterization of contact search unit beam profiles 无损检测 超声检验 测量接触探头声束特性的参考试块和方法
Issued Date:2002-10-11
Implemented Date:2003-05-01
Issued by:
The Standardization Administration of the People's Republic of China
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