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Individual
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Priority to ES0028112UpriorityCriticalpatent/ES28112U/en
Publication of ES28112UpublicationCriticalpatent/ES28112U/en
An improved mechanical transmission equipment, which is characterized by consisting essentially of a helical gear, which meshes with the toothed profile of the spiral envelope that protects the core of a flexible transmission shaft. (Machine-translation by Google Translate, not legally binding)
ES0028112U1951-09-101951-09-10An improved transmission equipment (Machine-translation by Google Translate, not legally binding)
PendingES28112U
(en)