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Individual
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Individual
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Priority to ES0049142UpriorityCriticalpatent/ES49142U/es
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Dispositivo porta-goma de borrar continua caracterizado por hallarse constituido de una caja circular, abierta por uno de sus lados, en cuya caja se aloja arrollada en espiral una estrecha cinta de goma de borrar que emerge al exterior por una boquilla establecida en la caja portadora en disposición tangencial a la circunferencia del perímetro exterior.
ES0049142U1955-07-141955-07-14Dispositivo portagoma de borrar continua
PendingES49142U
(es)