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Priority claimed from DE19868621301external-prioritypatent/DE8621301U1/de
Priority claimed from DE8706019Uexternal-prioritypatent/DE8706019U1/de
Application filed by Gretsch Unitas GmbhfiledCriticalGretsch Unitas Gmbh
Priority claimed from EP87110340Aexternal-prioritypatent/EP0255886B1/de
Application grantedgrantedCritical
Publication of ATE64172T1publicationCriticalpatent/ATE64172T1/de