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RU1776329C
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Loading member of machine for mine workings
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RU1782284C
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Bench for testing shaft linings
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SU1766681A1
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Mixer
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RU1773276C
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Forms for fixation of space behind support
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RU1778310C
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Method for construction of mine workings
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RU1772353C
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Forms for fixation of space behind support
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SU1719646A2
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Forms to fill space behind support
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SU1705093A2
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Working member of concrete mixer
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SU1707204A1
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Travelling mechanism of mining machine in workings with rail track
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Method for loading muck in driving mine workings
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SU1707210A1
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Swinging mechanism
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Working member of loading machine
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SU1603011A1
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Supporting device for support-mounting machine
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SU1631182A1
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Rock support of mine workings
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SU1631181A1
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Mine working support
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SU1608347A1
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Method of erecting solid concrete support of mine working
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Device for transfering rail track for heading machine
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SU1587197A1
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Apparatus for sinking vertical shafts
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SU1550166A1
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Main airing mine ventilation unit
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SU1576678A1
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Method of errecting structure walls
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