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Publication date
Priority claimed from NO2161/68Aexternal-prioritypatent/NO131653C/no
Application filed by Rank Xerox LtdfiledCriticalRank Xerox Ltd
Priority to NO741992ApriorityCriticalpatent/NO134440C/no
Publication of NO134440BpublicationCriticalpatent/NO134440B/no
Publication of NO134440CpublicationCriticalpatent/NO134440C/no