Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority claimed from NO2161/68Aexternal-prioritypatent/NO131653C/no
Application filed by Rank Xerox LtdfiledCriticalRank Xerox Ltd
Priority to NO741991ApriorityCriticalpatent/NO134439C/no
Publication of NO134439BpublicationCriticalpatent/NO134439B/no
Publication of NO134439CpublicationCriticalpatent/NO134439C/no