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Duisburger Eisen & Stahlwerke
Original Assignee
Duisburger Eisen & Stahlwerke
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Filing date
Publication date
Application filed by Duisburger Eisen & StahlwerkefiledCriticalDuisburger Eisen & Stahlwerke
Priority to ES17041ApriorityCriticalpatent/ES17041A1/en
Publication of ES17041A1publicationCriticalpatent/ES17041A1/en
ES17041A1895-02-221895-02-22
A process for the fabrication of box-shaped seamless iron joists and columns, reinforced by ring-shaped bands.
ExpiredES17041A1
(en)