Occurrence features of deep coal seam and characteristics of coal petrography in Jiaozuo mining area
YAN Chun-zhong
ZHANG Wen-zhong
GUO Shuang-qing
SU Xian-bo
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Publication Date：2012-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 43-45 )