China 'GB/T 25758.4-2010
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 25758.4-2010
Non-destructive testing - Characteristics of focal spots in industrial X-ray systems for use in non-destructive testing - Part 4: Edge method 无损检测 工业X射线系统焦点特性 第4部分:边缘方法
Issued Date:2010-12-23
Implemented Date:2011-10-01
Issued by:
The Standardization Administration of the People's Republic of China