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Priority claimed from DE8717170Uexternal-prioritypatent/DE8717170U1/de
Priority claimed from DE3800896Aexternal-prioritypatent/DE3800896C2/de
Application filed by Richard AmbrosfiledCriticalRichard Ambros
Priority claimed from EP89100584Aexternal-prioritypatent/EP0324503B1/de
Application grantedgrantedCritical
Publication of ATE65969T1publicationCriticalpatent/ATE65969T1/de