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Priority claimed from DE3806948Aexternal-prioritypatent/DE3806948A1/de
Priority claimed from DE19883806947external-prioritypatent/DE3806947A1/de
Application filed by Philips Nv, Siemens AgfiledCriticalPhilips Nv
Priority claimed from PCT/DE1989/000116external-prioritypatent/WO1989008358A1/de
Application grantedgrantedCritical
Publication of ATE93352T1publicationCriticalpatent/ATE93352T1/de