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Priority claimed from US06/893,916external-prioritypatent/US4825448A/en
Application filed by Int Mobile MachinesfiledCriticalInt Mobile Machines
Publication of FI900737A0publicationCriticalpatent/FI900737A0/fi
Publication of FI85317BpublicationCriticalpatent/FI85317B/fi
Application grantedgrantedCritical
Publication of FI85317CpublicationCriticalpatent/FI85317C/fi