China 'GB/T 13163.4-2014
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 13163.4-2014
Radiation protection instrumentation―Radon and radon decay product measuring instruments―Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR) 辐射防护仪器 氡及氡子体测量仪 第4部分：含氡同位素及其子体参考大气的产生设备（氡环境试验系统）
Issued Date:2014-09-03
Implemented Date:2015-02-01
Issued by:
The Standardization Administration of the People's Republic of China
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