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Priority claimed from DE19893900391external-prioritypatent/DE3900391A1/en
Application filed by Kunz Alfred & CofiledCriticalKunz Alfred & Co
Priority claimed from EP89116983Aexternal-prioritypatent/EP0360145B1/en
Application grantedgrantedCritical
Publication of ATE83022T1publicationCriticalpatent/ATE83022T1/en