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Priority to ES89289UpriorityCriticalpatent/ES89289Y/en
Publication of ES89289UpublicationCriticalpatent/ES89289U/en
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Publication of ES89289YpublicationCriticalpatent/ES89289Y/en
Adjustable position wrench, for nuts, characterized by being constituted by a tube provided at its working end with longitudinally grooved grooves arranged on its internal face, said tube being provided at its opposite end with an interchangeable handle, articulated on said tube. (Machine-translation by Google Translate, not legally binding)
ES89289U1961-10-101961-10-10
Adjustable position wrench for nuts
ExpiredES89289Y
(en)
Improvements in the construction of keys for nuts with automatic adaptation of key surfaces to nut heads of different dimensions (Machine-translation by Google Translate, not legally binding)
A monopieza device for the fixing of tube wrenches, for screws and nuts, to the screwdrivers. (Machine-translation by Google Translate, not legally binding)