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Priority to ES0071139UpriorityCriticalpatent/ES71139Y/en
Publication of ES71139UpublicationCriticalpatent/ES71139U/en
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Publication of ES71139YpublicationCriticalpatent/ES71139Y/en
Improved hinge for doors, characterized in that one of its elements consists of an axis whose terminal is set in helical arrangement and in sharp inclined plane while the other element has a cylindrical box whose bottom constitutes a seat also in inclined plane of a corresponding way to the extremity of said axis. (Machine-translation by Google Translate, not legally binding)
ES0071139U1959-01-231959-01-23
Improved hinge for doors
ExpiredES71139Y
(en)