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Priority to ES276429ApriorityCriticalpatent/ES276429A2/en
Publication of ES276429A2publicationCriticalpatent/ES276429A2/en
IMPROVEMENTS IN THE PATENT OF INVENTION No. 230.302 for PERFECTIONS IN THE LIQUID MEASURING DEVICES, essentially characterized by the fact that the tube constituting the piston itself, present practiced a longitudinal rack whose incisions allow, by meshing, the characteristic movement aspirante- impeller that is provided, provided that its lower part has a flexible tubular extension intended to penetrate and emerge from the general liquid reservoir in relation to the vertical displacements of the plunger. (Machine-translation by Google Translate, not legally binding)
ES276429A1962-04-121962-04-12Improvements in liquid measuring apparatus (Machine-translation by Google Translate, not legally binding)
ExpiredES276429A2
(en)