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Una doble pluma estilográfica para tinta líquida constituida por una pieza central tubular (1) que es soporte de dos plumas estilográficas por enchufe o roscado de los depósitos (2-2') en estas en el hueco del lado correspondiente de la pieza central (1) citada, dándose la circunstancia de estar simplemente formadas las dos plumas referidas, por un depósito (2-2') cerrado por su base y en cuyo extremo abierto rosca la boquilla (3-3') en la que, de manera normal, hay fijado el plumín (4-4').
ES0020781U1949-08-131949-08-13Doble pluma estilográfica para tinta líquida.
ExpiredES20781Y
(es)
Stylos à bille, crayons à bille, cartouches pour stylos à bille, cartouches pour crayons à bille et autres similaires distributeurs de liquide, à remplissages corrects, aisés et faciles