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US1762432A
|
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Absorption trap
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US1725321A
|
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Screen pipe
|
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US1713794A
|
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Method for operating a battery of retorts
|
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US1724982A
|
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Oil-cracking means and method
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US1653137A
|
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Removable cover construction
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US1725320A
|
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Hydrogenating and cracking organization
|
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US1586133A
|
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Continuous refluxing still
|
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US1659930A
|
|
Combined distilling and cracking process and apparatus therefor
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US1696658A
|
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Process of cracking hydrocarbons
|
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US1704956A
|
|
Process for treating oil shale
|
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US1586132A
|
|
Apparatus for refining oil
|
|
US1762433A
|
|
Cracking still and process
|
|
US1714963A
|
|
Process of producing gasoline from solid material
|
|
US1676675A
|
|
Process of recovering light hydrocarbons from carbonaceous material
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US1586131A
|
|
Apparatus for producing solid fuei
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|
US1555531A
|
|
Distillation apparatus
|
|
US1585801A
|
|
Method of and equipment for placing concrete casings in wells
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US1674420A
|
|
Process for distilling solid carbonaceous material
|
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US1586130A
|
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Apparatus for distilling hydrocarbons
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US1658910A
|
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Refinery power plant
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