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Priority claimed from DE19883800881external-prioritypatent/DE3800881A1/de
Priority claimed from DE19883841219external-prioritypatent/DE3841219A1/de
Priority claimed from DE19883841217external-prioritypatent/DE3841217A1/de
Priority claimed from DE19883841221external-prioritypatent/DE3841221A1/de
Application filed by Siemens AgfiledCriticalSiemens Ag
Priority claimed from EP89100423Aexternal-prioritypatent/EP0324454B2/de
Application grantedgrantedCritical
Publication of ATE89490T1publicationCriticalpatent/ATE89490T1/de