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Priority claimed from DE19818117370external-prioritypatent/DE8117370U1/de
Priority claimed from DE19818119990external-prioritypatent/DE8119990U1/de
Application filed by Uwe W FriedrichfiledCriticalUwe W Friedrich
Priority claimed from EP82104489Aexternal-prioritypatent/EP0067323B1/de
Application grantedgrantedCritical
Publication of ATE17215T1publicationCriticalpatent/ATE17215T1/de