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Individual
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Priority to ES438306ApriorityCriticalpatent/ES438306A3/en
Publication of ES438306A3publicationCriticalpatent/ES438306A3/en
Removable hydraulic crane with retractable boom essentially characterized by being integrated by an arm or vertical rigid tower mounted on a rotating support driven by a rack-and-pinion system, existing at the upper end of the vertical arm a bracket on a fork with a horizontal axis where the this can be tilted around the axis and in a plane by the effect of a hydraulic cylinder oblique to the direction of the pen. (Machine-translation by Google Translate, not legally binding)
ES438306A1975-06-061975-06-06Amovible hydraulic grape with retractil pen. (Machine-translation by Google Translate, not legally binding)
ExpiredES438306A3
(en)