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GB171213A
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An improved process for distilling bituminous sand, coal, oil shale, and other materials which yield hydrocarbons
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GB171785A
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Hydrogenating and distilling hydrocarbons from bituminous substances
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GB169605A
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Mechanism for diffusing gases and vapors through liquids
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GB174389A
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Process for treating hydrocarbons
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GB174965A
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Process for volatilizing and decomposing hydrocarbons
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CA207494A
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Process of treating hydro-carbons
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CA222283A
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Process of hydrogenating bituminous substances
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CA223195A
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Saturation of hydrocarbons
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CA207495A
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Distillation process
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CA207493A
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Process for volatilizing and decomposing hydrcarbons
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CA221407A
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Mechanism for diffusing gases and vapour through liquids
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CA207492A
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Process for removing reaction products
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CA277540A
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Petroleum processing
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CA207491A
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Process of treating volatile compounds
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