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Priority claimed from DE8908696Uexternal-prioritypatent/DE8908696U1/de
Application filed by Buettner Ag FranzfiledCriticalBuettner Ag Franz
Priority claimed from EP90810154Aexternal-prioritypatent/EP0387197B1/de
Application grantedgrantedCritical
Publication of ATE91974T1publicationCriticalpatent/ATE91974T1/de