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Priority claimed from DE19883815461external-prioritypatent/DE3815461C2/de
Application filed by Metallgesellschaft AgfiledCriticalMetallgesellschaft Ag
Priority claimed from EP19880201765external-prioritypatent/EP0313116B1/de
Application grantedgrantedCritical
Publication of ATE92381T1publicationCriticalpatent/ATE92381T1/de