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Coal Mining Technology
1006-6225
1997 Issue 2
mei kuang kai cai english abstracts
zhang jin cai
..............page:64
ke yan cheng guo xiao xi
..............page:63
mai chong shua du tie ji shu ji qi ying yong
fang de hong
..............page:47
pao mo shui ni xin cai liao de yan jiu
mi jie fang
..............page:42
ying yong dy xing zhi zhu yi ci cai quan gao
feng li you
..............page:32