US1390233A
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Method of increasing the specific gravity and flash-point of liquids
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US1390232A
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Liquid fuel and method of manufacturing it
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US1294861A
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Method of and apparatus for recording sounds.
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US922075A
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Dredging-pipe joint.
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US709861A
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Cutter-head for hydraulic dredgers.
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US634865A
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Dredge.
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US634864A
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Dredging machinery.
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CA204265A
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Method of stabilizing fuel by congelation
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CA204260A
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Method of lowering the viscosity of liquids
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CA204267A
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Liquid fuel manufacture
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CA204259A
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Fuel manufacture
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CA204266A
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Fuel production
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CA206182A
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Gas producer
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CA204262A
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Method of transporting carbonaceous substances
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CA204263A
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Apparatus for the production of mobile fuel
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CA204264A
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Production of stable mobile fuel
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CA199471A
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Fuel heater and agitator
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CA204261A
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Method of raising the specific gravity and flash point of liquids
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CA207074A
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Method of fireproof storing mobile fuels
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