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
Priority claimed from DE19722253530external-prioritypatent/DE2253530C3/en
Application filed by Thyssen Niederrhein AgfiledCriticalThyssen Niederrhein Ag
Publication of IE38485LpublicationCriticalpatent/IE38485L/en
Publication of IE38485B1publicationCriticalpatent/IE38485B1/en