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KOH I NOOR PENCIL FACTORY L & C HARDTMUTH
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KOH I NOOR PENCIL FACTORY L & C HARDTMUTH
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Priority to ES0013894UpriorityCriticalpatent/ES13894Y/es
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Application grantedgrantedCritical
Publication of ES13894YpublicationCriticalpatent/ES13894Y/es
Un portaminas de presión de cuatro colores caracterizado por un tubo de guía (5) que por abajo está cerrado por un anillo de tope (8) con un resalto achaflanado (8'), estando las fundas del depósito (4) distribuidas simétricamente en el tubo de guía (5) en la posición de reposo.