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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duisburger Eisen & Stahlwerke
Original Assignee
Duisburger Eisen & Stahlwerke
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Duisburger Eisen & StahlwerkefiledCriticalDuisburger Eisen & Stahlwerke
Priority to ES15521ApriorityCriticalpatent/ES15521A1/es
Publication of ES15521A1publicationCriticalpatent/ES15521A1/es