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1976-03-26
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1975-02-18
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1974-01-29
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1976-04-29
Oil recovery process
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1976-01-28
Method for removal of oil
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1974-05-21
Oil recovery process
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1975-02-25
Oil recovery process
IL44858A0
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1974-07-31
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1972-08-30
Means and method for controlling a solvent refining unit for maximum yield
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1975-09-23
Means and method for optimizing refined oil yield from a solvent refining unit
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1975-12-02
Lube oil hydrotreating process
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1974-06-20
Lubricating oil refining process
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1971-05-11
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1976-01-06
Method for refining liquid metals
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1973-09-26
A method of refining carbon-unsaturated system ferro-chromium
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1977-01-31
Means and method for controlling a solvent refining unit to provide optimum yields of refined oil and extract oil
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1972-12-12
Integrated process for refining whole crude oil
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1973-06-27
Process for refining liquid metals
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1980-03-28
Process for refining hydrocarbones
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1973-08-29
Means and method for controlling a solvent refining unit to provide optimum yields of refined oil and extract oil
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1971-05-25
Method for refining acetone
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1975-07-03
Process for extracting monferrous values from ores
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1973-12-11
Method of initiating a refining metal process
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1971-12-21
Method for the refining of a carbonaceous metal melt
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1972-05-09
Lube oil refining process