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Priority claimed from DE19803018141external-prioritypatent/DE3018141C2/de
Priority claimed from DE19803048074external-prioritypatent/DE3048074A1/de
Application filed by Siemens AktiengesellschaftfiledCriticalSiemens Aktiengesellschaft
Priority claimed from EP81103352Aexternal-prioritypatent/EP0039867B1/de
Application grantedgrantedCritical
Publication of ATE9121T1publicationCriticalpatent/ATE9121T1/de