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Priority claimed from DE19813104805external-prioritypatent/DE3104805A1/de
Priority claimed from DE19813126687external-prioritypatent/DE3126687A1/de
Application filed by Peter GutekunstfiledCriticalPeter Gutekunst
Priority claimed from EP81106984Aexternal-prioritypatent/EP0053656B1/de
Application grantedgrantedCritical
Publication of ATE8731T1publicationCriticalpatent/ATE8731T1/de