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Un envase tubular para rollos de papel de dibujo consistiendo en un tubo de material impermeable al vapor de agua cuyo diámetro es mayor que el del rollo se papel a envasar y el cual, una vez que haya sido introducido en el rollo, es doblado de manera que quede íntima y frecuentemente aplicado al rollo de papel a la vez que se cierra la parte doblada mediante una cinta adhesiva con hilo de desgarre incorporada.
ES0052607U1956-02-101956-02-10Un envase tubular para rollos de papel de dibujo
ExpiredES52607Y
(es)
UN PROCEDIMIENTO CON SU DISPOSITIVO CORRESPONDIENTE PARA LA OBTENCIoN DE EFECTOS ADHERENTES DEL PAPEL DE CELOFANA, NORMAL O IMPERMEABILIZADO, SOBRE PAPEL, CARTULINA, CARToN O SIMILARES