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Individual
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Individual
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Priority to ES0033224UpriorityCriticalpatent/ES33224U/es
Publication of ES33224UpublicationCriticalpatent/ES33224U/es
Regla graduada para dibujo, caracterizada por que las escalas y otras indicaciones que interesen están impresas en una tira de papel o material similar (2) aprisionada entre dos piezas alargadas de material transparente (1, 3), unidas entre sí de modo que dejando a la vista las escalas y demás indicaciones de la citada tira de papel (2), protegen a esta por todos sus lados.
ES0033224U1952-10-201952-10-20Regla graduada para dibujo
PendingES33224U
(es)