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Priority to ES117661UpriorityCriticalpatent/ES117661Y/en
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Publication of ES117661YpublicationCriticalpatent/ES117661Y/en
Portable device for pumping liquids characterized by having a chamber with flexible walls and capable of reacting to fully closed deformations with the exception of two opposite inlet and outlet orifices that have coupled membrane valves oriented in the same direction. (Machine-translation by Google Translate, not legally binding)
ES117661U1965-11-261965-11-26
PORTABLE UTENSIL FOR PUMPING LIQUIDS.
ExpiredES117661Y
(en)
Improvement in the construction of alternative pumps for liquids, particularly for the power of essence to the internal combustión engines. (Machine-translation by Google Translate, not legally binding)