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Individual
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Priority to ES0030441UpriorityCriticalpatent/ES30441U/en
Publication of ES30441UpublicationCriticalpatent/ES30441U/en
Procedure for coupling engines on bicycles, characterized in that the rear bar or tube of the bicycle frame is previously deformed, giving it a concave shape. (Machine-translation by Google Translate, not legally binding)
ES0030441U1951-12-221951-12-22
Procedure for coupling motors to bicycles
PendingES30441U
(en)