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DOI: 10.3969/j.issn.1007-7677.2009.z1.016

Discussion on development of circular economy in coal enterprises

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Publication Date：2009-01-01

Pages：5( 43-47 )

COAL QUALITY AND TECHNOLOGY

COAL QUALITY AND TECHNOLOGY

ISSN：1007-7677

Year, Vol.(Issue)：2009,(z1)