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Priority claimed from DE19813132058external-prioritypatent/DE3132058A1/de
Priority claimed from DE19823214778external-prioritypatent/DE3214778A1/de
Application filed by Philips Kommunikations Ind AgfiledCriticalPhilips Kommunikations Ind Ag
Application grantedgrantedCritical
Publication of ATE41711T1publicationCriticalpatent/ATE41711T1/de