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Priority claimed from US06/410,734external-prioritypatent/US4485949A/en
Priority claimed from US06/417,257external-prioritypatent/US4526309A/en
Application filed by Xerox CorpfiledCriticalXerox Corp
Priority claimed from EP19830304860external-prioritypatent/EP0102233B1/de
Application grantedgrantedCritical
Publication of ATE46222T1publicationCriticalpatent/ATE46222T1/de