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Priority claimed from US06/089,413external-prioritypatent/US4301507A/en
Application filed by Pitney Bowes IncfiledCriticalPitney Bowes Inc
Priority to AT167586ApriorityCriticalpatent/AT398648B/de
Publication of ATA167586ApublicationCriticalpatent/ATA167586A/de
Application grantedgrantedCritical
Publication of AT398648BpublicationCriticalpatent/AT398648B/de