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Priority to ES0230809ApriorityCriticalpatent/ES230809A1/en
Publication of ES230809A1publicationCriticalpatent/ES230809A1/en
Improvements in the liquid purification filters, characterized by consisting of a cylindrical tank divided into two unequal parts by two inclined planes joined in a tube. (Machine-translation by Google Translate, not legally binding)
ES0230809A1956-09-081956-09-08Improvements in liquid purifying filters (Machine-translation by Google Translate, not legally binding)
ExpiredES230809A1
(en)
A procedure for filtering a liquid containing very small amounts of dissolved impurities. (Machine-translation by Google Translate, not legally binding)