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Priority to ES106949UpriorityCriticalpatent/ES106949Y/en
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Publication of ES106949YpublicationCriticalpatent/ES106949Y/en
Automatic closing for doors characterized by being constituted by a pump body provided with a cylindrical chamber on which the plunger or piston slides in its operation, carrying this pump body with a hole arranged horizontally on which a series of vertical holes in communication with it being the right side hole for the passage of oil in the compression and loading of the pump being equipped with its closing cap; the central hole for the speed regulation that is carried out by means of a regulating screw and the left lateral hole for the regulation of the braking that will be verified by means of another regulating screw. (Machine-translation by Google Translate, not legally binding)
ES106949U1964-06-241964-06-24
AUTOMATIC CLOSING FOR DOORS.
ExpiredES106949Y
(en)