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Winkelhofer Emil
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Winkelhofer Emil
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Priority to ES3075ApriorityCriticalpatent/ES3075A1/es
Publication of ES3075A1publicationCriticalpatent/ES3075A1/es
ES3075A1883-02-031883-02-03Un procedimiento para eliminar la cal de fosfatos crudos que a la vez contienen cal o carbonato de cal.
ExpiredES3075A1
(es)
Un procedimiento para rectificar, o sea desinfectar, decolorar y clarificar los aceites procedentes de la destilación seca de la resina colofonia, vulgarmente conocidos con el nombre de aceites de resina.