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ES85395A1923-05-051923-05-05Un procedimiento que emplea las radiaciones positivas del Polonio en la refinación de los petróleos crudos.
ExpiredES85395A1
(es)
Un procedimiento que permite el aprovechamiento del campo electrostático con la acción simultánea de las radiaciones del Polonio para tratar hidrocarburos en general.
Un procedimiento que permite el aprovechamiento electroestático con la acción simultánea de las radiaciones ultravioletas para tratar hidrocarburos en general.