Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES34934ApriorityCriticalpatent/ES34934A1/es
Publication of ES34934A1publicationCriticalpatent/ES34934A1/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.