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Lochhead James Struthers
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Lochhead James Struthers
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Application filed by Lochhead James StruthersfiledCriticalLochhead James Struthers
Priority to ES79797ApriorityCriticalpatent/ES79797A1/es
Publication of ES79797A1publicationCriticalpatent/ES79797A1/es
ES79797A1921-10-261921-10-26Mejoras en las estructuras de los altos hornos, con los métodos correspondientes para trabajar en ellos.
ExpiredES79797A1
(es)