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DOI: 10.3969/j.issn.1007-7677.2011.03.015
Discussion on the coal quality points in coal purchase and sale contract
SU Li-qing
FAN Yong
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Publication Date：2011-01-01
Pages：3( 45-47 )
GOAL QUALITY AND TECHNOLOGY

GOAL QUALITY AND TECHNOLOGY

ISSN：1007-7677
Year, Vol.(Issue)：2011,(3)
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