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Individual
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Individual
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Priority to ES15515ApriorityCriticalpatent/ES15515A1/en
Publication of ES15515A1publicationCriticalpatent/ES15515A1/en
ES15515A1894-02-271894-02-27
A machine titled "Esperanza", for the movement of movement that consists of drilling at both ends at the same time.
ExpiredES15515A1
(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.