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Bauerfeld Alexandre
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Bauerfeld Alexandre
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Application filed by Bauerfeld AlexandrefiledCriticalBauerfeld Alexandre
Priority to ES15895ApriorityCriticalpatent/ES15895A1/en
Publication of ES15895A1publicationCriticalpatent/ES15895A1/en
A new combination for the movement of all kinds of velocipedes, by which they can easily change the multiplication of the movement without interrupting the march.