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Priority claimed from DE19813132013external-prioritypatent/DE3132013C2/de
Priority claimed from DE19823212090external-prioritypatent/DE3212090A1/de
Application filed by Heinz Hummel, Bernhard KaiserfiledCriticalHeinz Hummel
Priority claimed from EP82106707Aexternal-prioritypatent/EP0075089B1/de
Application grantedgrantedCritical
Publication of ATE13705T1publicationCriticalpatent/ATE13705T1/de