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ES21718A1897-11-131897-11-13Una máquina de engastar y ajustar o cerrar sin soldadura las tapas y los fondos de las cajas de conservas y demás.
ExpiredES21718A3
(es)
Mejoras introducidas en una máquina para soldar mecánicamente las tapas de fácil abertura de las cajas de conservas y otros artículos de hoja de lata denominada "Soldadora de Viaje".
Una máquina para soldar mecánicamente los topes de fácil abertura de las cajas de conservas y otros artículos de hojas de lata denominada "Soldadora de viaje".