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Individual
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Priority to ES0045190UpriorityCriticalpatent/ES45190Y/es
Publication of ES45190UpublicationCriticalpatent/ES45190U/es
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Publication of ES45190YpublicationCriticalpatent/ES45190Y/es
Máquina para sumar y restar, caracterizada por que dentro de una caja rectangular, en el sentido de su menor dimensión, se monta una serie de ejes paralelos portadores, cada uno, de un disco integrador, una rueda dentada de diez dientes y dedo de arrastre, y un piñón dentado discontinuo al que se ha quitado uno de sus diez dientes, intercalándose entre estos ejes, a mayor altura, otros ejes portadores de piñones de cinco dientes que engrana cada uno con una rueda dentada, pero en planos diferentes que se van alternando sucesivamente constituyendo pares.
ES0045190U1954-11-231954-11-23Máquina para sumar y restar
ExpiredES45190Y
(es)