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Priority claimed from DE19813100347external-prioritypatent/DE3100347C2/en
Priority claimed from DE19813149299external-prioritypatent/DE3149299C2/en
Application filed by Otto Geb. Herfeld, HeidefiledCriticalOtto Geb. Herfeld, Heide
Priority claimed from EP19820100027external-prioritypatent/EP0056238B1/en
Application grantedgrantedCritical
Publication of ATE8677T1publicationCriticalpatent/ATE8677T1/en