RU94027677A
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Method of preparing brown-coal alkaline reagent
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RU2053252C1
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Method for production of fuel briquettes
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RU2057164C1
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Method of production of fuel bricks
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Method for coal hydrogenation
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Method of coal hydrogenation
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RU2037742C1
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Method of low-temperature burning in suspended layer
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RU1834844C
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Method for producing carbonic absorbent
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RU1779399C
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Method for protection against foaming and blowout of burning liquid from reservoir
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RU1838386C
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Method to produce moulded coal
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RU1791441C
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Compound for preventing wind erosion of loose materials during transportation
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RU1794843C
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Apparatus for transportation and dispersed dosing of material
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SU1669538A1
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Method for preparing granulated molecular carbon sieve for separating oxygen and nitrogen
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SU1699914A1
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Method of producing activated carbon
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SU1616970A1
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Method of producing water-oil suspension
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Gas scrubbing device
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SU1581968A1
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Method of combustion of mine methane
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RU1544084C
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Cathode-heating unit
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SU1549591A1
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Method of classifying mineral deposits
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RU1542313C
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High-temperature heater
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SU1553169A1
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Method of loosening loose material in vibro-fluidized bed
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