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Priority to ES1967133890UpriorityCriticalpatent/ES133890Y/en
Publication of ES133890UpublicationCriticalpatent/ES133890U/en
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Publication of ES133890YpublicationCriticalpatent/ES133890Y/en
An unlocking device, characterized by being formed by a tube formed by the turns of a helically wound steel wire, which is inserted into one of its ends in a larger diameter bushing, with a crank projecting through the opposite mouth of this bushing which is integral with said tube and at the other end has a guide element, for example a spherical head, and a small hook. (Machine-translation by Google Translate, not legally binding)
ES1967133890U1967-11-131967-11-13
AN UNLOCKING DEVICE.
ExpiredES133890Y
(en)
Procedure and device for drilling spiral wire, filaments, made of filaments or threads in a mandrel. (Machine-translation by Google Translate, not legally binding)