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DOI: 10.3969/j.issn.1007-7677.2018.03.006
Occurrence and distribution of harmful elements in Hebei seam coal of minor mining area
LI Lan-xin
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Publication Date：2018-01-01
Pages：5( 21-24,31 )
Goal Quality Technology

Goal Quality Technology

ISSN：1007-7677
Year, Vol.(Issue)：2018,(3)
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