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Individual
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Individual
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Priority to ES0266520ApriorityCriticalpatent/ES266520A1/en
Publication of ES266520A1publicationCriticalpatent/ES266520A1/en
A hydraulic shock absorbing device for closing doors, characterized by the constitution of a mechanical element such as the contraction of a spring spring for the operation of opening, while the natural reaction for the closing of the same, is produced by the action of hydraulic pump that realizes the cylinder where the indicated spring is lodged. (Machine-translation by Google Translate, not legally binding)
ES0266520A1961-04-121961-04-12A hydraulic damper apparatus for a closure of puerats (Machine-translation by Google Translate, not legally binding)
ExpiredES266520A1
(en)