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 DE19803024571external-prioritypatent/DE3024571A1/en
Priority claimed from DE19803042198external-prioritypatent/DE3042198A1/en
Application filed by Hoesch Werke AktiengesellschaftfiledCriticalHoesch Werke Aktiengesellschaft
Priority claimed from EP81104971Aexternal-prioritypatent/EP0043122B1/en
Application grantedgrantedCritical
Publication of ATE5980T1publicationCriticalpatent/ATE5980T1/en