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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0017571UpriorityCriticalpatent/ES17571Y/es
Publication of ES17571UpublicationCriticalpatent/ES17571U/es
Application grantedgrantedCritical
Publication of ES17571YpublicationCriticalpatent/ES17571Y/es
Un puntero borrador de letras en las máquinas de escribir, caracterizado esencialmente por el hecho de estar constituido por un elemento borrador, formado por un tubo portador de la goma de borrar, cuyo tubo y goma son cilíndricos y giratorios automáticamente sobre su eje, merced a un mando que recibe por el movimiento de avance y retroceso que se imprime al mango del aparato, cuando se ejerce presión con su punta sobre el signo o tipo a borrar.
ES0017571U1948-06-231948-06-23Puntero borrador de letras en las máquinas de escribir y similares.
ExpiredES17571Y
(es)