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Individual
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Individual
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Priority to ES0274618ApriorityCriticalpatent/ES274618A1/en
Publication of ES274618A1publicationCriticalpatent/ES274618A1/en
Improvements in hydraulic lift bases, characterized in that in the same, the housing for supporting the piston and the pumps is fitted to the base of the piston housing a metal part that has a stepped diameter through hole, so that, with the smaller perforation remaining outside, a metallic sphere of which the valvular retention mechanism is provided is retained under said part. (Machine-translation by Google Translate, not legally binding)
ES0274618A1962-02-151962-02-15Perfections on bases of hydraulic elevators (Machine-translation by Google Translate, not legally binding)
ExpiredES274618A1
(en)
An elevator installation with automatic descent device, applicable to all kinds of vehicles and similar. (Machine-translation by Google Translate, not legally binding)