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DOI: 10.3969/j.issn.1007-7677.2014.02.013
Discussion on the problems related to certificate of reference material of coal physical properties and chemical composition analysis
YANG Hua-yu
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Publication Date：2014-01-01
Pages：2( 39-40 )
Goal Quality Technology

Goal Quality Technology

ISSN：1007-7677
Year, Vol.(Issue)：2014,(2)
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