A probe into “mining technique in the condition of floor...

A probe into “mining technique in the condition of floor failure” for coal seam above longwall goafs

Guo-rui Feng, Xian-xia Wang, Li-xun Kang
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Volume:
14
Language:
english
Pages:
5
DOI:
10.1007/s12404-008-0004-6
Date:
March, 2008
File:
PDF, 282 KB
english, 2008
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