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Alleviation of vertical closure in longwall gateroads : Matsui, K Proc MMIJ/IMM Joint Symposium, Today's Technology for the Mining and Metallurgical Industries, Kyoto, 2–4 October 1989P271–277. Publ London: MMIJ/IMM, 1989


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
114 KB
Volume
28
Category
Article
ISSN
0148-9062

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