Выдавливание горных пород и устойчивость подземных выработок

Выдавливание горных пород и устойчивость подземных выработок

144 Pages · 1963 · 20.4 MB · Russian
by А.П. Максимов
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“ The only limits you see are the ones you impose on yourself. ” ― Dr. Wayne Dyer
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