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Individual
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Individual
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Priority to ES80016ApriorityCriticalpatent/ES80016A1/en
Publication of ES80016A1publicationCriticalpatent/ES80016A1/en
ES80016A1921-11-211921-11-21
An improved method or procedure for removing matter from liquid oils and from solvents containing oils in solution.
ExpiredES80016A1
(en)
New procedure and its corresponding apparatus for the extraction of hydrocarbons, etc., from natural minerals containing oleaginous, viscous and other analogous constituents.