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RU1789023C
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Method for mining outburst-prone coal seams
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RU1789022C
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Method for mining steeply dipping beds
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SU1756589A1
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Method for explosion-proof breaking of electric circuits
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Method for predicting deformations of earthъs surface caused by underworking of slackened structures
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RU1776322C
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Method for protecting mine working
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RU1777028C
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Stand for modelling deformations of foundations of buildings and structures
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SU1751332A1
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Method of mining steep coal seams prone to gas-dynamic effects
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SU1751360A1
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Method of testing electric circuits for spark safety
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Method of protecting junctions of vertical shafts with workings
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Charger
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RU1797667C
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Method for control of efficiency of protective effect of preventive measures in outburst-prone coal seams
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RU1790646C
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Method for protecting buildings and structures against concentrated deformations during preparation of base
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Shaft lining
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Method of pit seam seismic prospecting
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RU1790772C
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Method of inspecting stress-deformed condition of mountain mass
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Downhole resilient vibrations source
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Method for ensuring spark safety of mine power supplies
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Method for driving working under exiting structure
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SU1694892A1
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Method of control of rock mass disturbance and device for its realization
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SU1642019A1
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Method of protecting vertical shafts from rock shifts with steep bedding of coal seams
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