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Vol 123
Pages:
33-36
Download volume:
RUS
Article

Determination of parameters of explosion-hydro treatment of hard-to-collapse roof of hollow coal seams

Authors:
V. G. Bezkaravayny
V. I. Timofeev
A. A. Ryskunov
Date submitted:
1989-09-11
Date accepted:
1989-11-26
Date published:
1990-12-30

Abstract

At present, the share of coal seams in the mines of the Soviet Union with hard-to-collapse roofs is quite high.

Область исследования:
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