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Priority claimed from DE19833340073external-prioritypatent/DE3340073A1/de
Priority claimed from DE19843437568external-prioritypatent/DE3437568A1/de
Application filed by Zeiss Ikon AgfiledCriticalZeiss Ikon Ag
Priority claimed from EP84113202Aexternal-prioritypatent/EP0144734B1/de
Application grantedgrantedCritical
Publication of ATE27982T1publicationCriticalpatent/ATE27982T1/de