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Priority claimed from DE9101930Uexternal-prioritypatent/DE9101930U1/de
Priority claimed from DE9112783Uexternal-prioritypatent/DE9112783U1/de
Application filed by Stahlgruber Gruber & Co OttofiledCriticalStahlgruber Gruber & Co Otto
Priority claimed from EP92101136Aexternal-prioritypatent/EP0499825B1/de
Application grantedgrantedCritical
Publication of ATE104222T1publicationCriticalpatent/ATE104222T1/de