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Priority claimed from DE8905288Uexternal-prioritypatent/DE8905288U1/de
Priority claimed from DE3917826Aexternal-prioritypatent/DE3917826A1/en
Application filed by Edgar Mathias MatzkenfiledCriticalEdgar Mathias Matzken
Application grantedgrantedCritical
Publication of ATE85829T1publicationCriticalpatent/ATE85829T1/en