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Priority claimed from AT859272Aexternal-prioritypatent/AT321107B/en
Application filed by Xerox CorpfiledCriticalXerox Corp
Priority to AT177074ApriorityCriticalpatent/AT334200B/en
Application grantedgrantedCritical
Publication of AT334200BpublicationCriticalpatent/AT334200B/en
Publication of ATA177074ApublicationCriticalpatent/ATA177074A/en