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GB454185A
|
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Methods and apparatus for the destructive distillation of solid or pasty carbonaceous materials
|
|
GB424847A
|
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Improvements in or relating to the heat treatment of oleaginous materials of vegetable or animal origin
|
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DE651367C
|
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Process for carbonizing fuels
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|
DE627053C
|
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Process for charring incompletely charred fossil fuels
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ES118392A1
|
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Improvements in obtaining liquid hydrocarbons, particularly in the production of liquid fuels from solid fuels.
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GB357206A
|
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Improvements in and relating to the production of liquid hydrocarbons from solid fuels
|
|
DE552983C
|
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Process for the production of liquid hydrocarbons on solid fuels
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CA382187A
|
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Carbonaceous material treating apparatus
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