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Individual
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Individual
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Priority to ES284663ApriorityCriticalpatent/ES284663A1/en
Publication of ES284663A1publicationCriticalpatent/ES284663A1/en
Device for the manufacture of springs, characterized by comprising a winding mandrel with retention head of the end of the filler material and a front plane for initiating the turn, and a guide piece provided with a rod support sleeve that it constitutes the mandrel proper, and a head with tensioned feeding slot of said filler material. (Machine-translation by Google Translate, not legally binding)
ES284663A1963-01-301963-01-30Device for the manufacture of springs (Machine-translation by Google Translate, not legally binding)
ExpiredES284663A1
(en)