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Individual
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Individual
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Priority to ES804ApriorityCriticalpatent/ES804A1/es
Publication of ES804A1publicationCriticalpatent/ES804A1/es
ES804A1880-02-191880-02-19Mejoras en la condensación del vapor de escape o desperdicio por medio del aparato empleado con tal objeto.
ExpiredES804A1
(es)
Un procedimiento perfeccionado para la formación o compresión de secciones o trozos de tuberías hechos de chapas u hojas de metal por medio del aparato que se describe.