RU1799419C
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Deep quarry working method
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SU1710780A1
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Method of filling worked-out space
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SU1661449A1
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Method for lowering shock hazard of contour part of mine working
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SU1559211A1
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Method of forming a working in filling mass
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SU1665042A1
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System of auxiliary airways
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SU1656130A1
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Method of driving the under-vault part of large-span underground structure
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SU1629539A1
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Mineral mining method
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SU1546154A1
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Method of dressing feldspars
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SU1559172A1
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Formwork for making permanent concrete lining of mine shaft
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SU1536003A1
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Method of driving a mine working
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SU1523670A1
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Method of sinking a mine shaft
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SU1559169A1
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Method and formwork for sinking a mine shaft
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SU1523160A1
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Method of dressing ore
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SU1537293A1
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Method of separating illite concentrate when dressing fieldspar-quartz sands
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SU1486612A2
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Filling mass composition
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SU1472689A1
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Composition for securing roof bolts
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SU1470342A1
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Method of flotation of phosphorus-containing ores
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SU1357593A1
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Method of determining the degree of shock hazard of rock body
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SU1424871A1
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Method of flotation of phosphorus-containing ores in circulating water supply
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SU1298385A1
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Method of supporting workings at the base of a block
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