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Priority claimed from DE19813108709external-prioritypatent/DE3108709A1/de
Priority claimed from DE19813109847external-prioritypatent/DE3109847A1/de
Priority claimed from DE19813123666external-prioritypatent/DE3123666A1/de
Application filed by Metallgesellschaft AgfiledCriticalMetallgesellschaft Ag
Priority claimed from EP82200153Aexternal-prioritypatent/EP0062930B2/de
Application grantedgrantedCritical
Publication of ATE13412T1publicationCriticalpatent/ATE13412T1/de