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Individual
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Individual
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Priority to ES0020493UpriorityCriticalpatent/ES20493U/es
Publication of ES20493UpublicationCriticalpatent/ES20493U/es
Dispositivo especial para la carga de plumas estilográficas que consiste esencialmente en que al tubo o depósito de goma se aplica un muelle que se une a aquel, cubriendo este conjunto un tubo protector cerrado por su extremo inferior que mantiene acoplado el tubo de goma y el muelle.
ES0020493U1949-07-141949-07-14Dispositivo para la carga de plumas estilográficas
PendingES20493U
(es)