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Priority claimed from DE19853525953external-prioritypatent/DE3525953C1/de
Priority claimed from DE3525952Aexternal-prioritypatent/DE3525952C1/de
Application filed by Nixdorf Computer AgfiledCriticalNixdorf Computer Ag
Priority claimed from EP86109832Aexternal-prioritypatent/EP0209139B1/de
Application grantedgrantedCritical
Publication of ATE47471T1publicationCriticalpatent/ATE47471T1/de