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Individual
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Individual
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Publication of ES290853A1publicationCriticalpatent/ES290853A1/en
Method and device for joining construction parts, especially of thin sheets by screw and nut, characterized in that only the part of the nut located opposite the head of the screw is provided with a thread. (Machine-translation by Google Translate, not legally binding)
ES0290853A1962-08-161963-08-13Procedure and device for joining construction parts (Machine-translation by Google Translate, not legally binding)
ExpiredES290853A1
(en)