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Priority claimed from DE8708501Uexternal-prioritypatent/DE8708501U1/de
Priority claimed from DE3802239Aexternal-prioritypatent/DE3802239A1/en
Application filed by Goymann Volkmar, Curt KranzfiledCriticalGoymann Volkmar
Priority claimed from EP88730134Aexternal-prioritypatent/EP0295200B1/en
Application grantedgrantedCritical
Publication of ATE84201T1publicationCriticalpatent/ATE84201T1/en