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Priority to ES0020715UpriorityCriticalpatent/ES20715Y/es
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Publication of ES20715YpublicationCriticalpatent/ES20715Y/es
Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments
(AREA)
Abstract
Un lápiz mecánico perfeccionado para una o dos minas que se particulariza por presentar abierta su extremidad mediante cortes centrales que determinan la formación de lengüetas que son presionadas para sujeción de la mina por medio de un dispositivo, aro, cilindro o caperuza.
ES0020715U1949-08-011949-08-01Lápiz mecánico perfeccionado para una o dos minas.
ExpiredES20715Y
(es)