China 'GB/T 22279-2008
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 22279-2008
Guide for development of certified reference materials for the composition analysis and the physical property measurements of coal 煤炭成分分析和物理特性测量标准物质研制导则
Issued Date:2008-08-07
Implemented Date:2009-03-01
Issued by:
The Standardization Administration of the People's Republic of China
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