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Individual
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Individual
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Priority to ES0057800UpriorityCriticalpatent/ES57800Y/en
Publication of ES57800UpublicationCriticalpatent/ES57800U/en
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Publication of ES57800YpublicationCriticalpatent/ES57800Y/en
Improved calculating machine, characterized in that the axes of the disks, comprise toothed rollers, which have nine teeth and a smooth sector corresponding to the zero figure of the corresponding disc, projecting these rollers from the rear plate of the machine. (Machine-translation by Google Translate, not legally binding)