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Priority claimed from DE19792925333external-prioritypatent/DE2925333A1/en
Priority claimed from DE19792938528external-prioritypatent/DE2938528A1/en
Application filed by Siemens Aktiengesellschaft Berlin Und MuenchenfiledCriticalSiemens Aktiengesellschaft Berlin Und Muenchen
Priority claimed from EP80103250Aexternal-prioritypatent/EP0021250B1/en
Application grantedgrantedCritical
Publication of ATE1961T1publicationCriticalpatent/ATE1961T1/en