SU1613368A1
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Arrangement for installing platform ,particularly, of mining machine to preset positions
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Central heating system
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Arrangement for cleaning mine cars
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Drilling machine
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Device for preparing mortars
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Mine car cleaning arrangement
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Dust trapping bag-type filter
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Device for spraying concrete
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Shotcreting unit
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Drilling unit
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Earth-drilling machine feed device
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Pressure compensator for water feeding plant
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SU810951A1
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Blast-hole drilling apparatus
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