China 'GB/Z 41476.4-2022
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/Z 41476.4-2022
Non destructive testing instruments - radiation protection rules for X-ray equipment up to 1mV - Part 4: Calculation of control area 无损检测仪器 1MV以下X射线设备的辐射防护规则 第4部分：控制区域的计算
Issued Date:2022/4/15
Implemented Date:2022/11/1
Issued by:
The Standardization Administration of the People's Republic of China
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