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Individual
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Individual
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Priority to ES0079198UpriorityCriticalpatent/ES79198U/en
Publication of ES79198UpublicationCriticalpatent/ES79198U/en
KEY HEADS PLASTIC MATERIAL, adaptable to typewriters, adding, calculating, accounting, invoicing and recorders of old metallic arillos keyboard. (Machine-translation by Google Translate, not legally binding)
ES0079198U1960-02-291960-02-29Plastic key head adaptable to typewriters and the like (Machine-translation by Google Translate, not legally binding)
PendingES79198U
(en)
Improvements in writing machines, with the incorporation of keys for double and simultaneous pulsation (Machine-translation by Google Translate, not legally binding)