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Priority claimed from US05/611,659external-prioritypatent/US4022888A/en
Priority claimed from US05/611,657external-prioritypatent/US4042689A/en
Priority claimed from US05/639,076external-prioritypatent/US4070459A/en
Priority claimed from FI762566Aexternal-prioritypatent/FI57112C/fi
Application filed by Diagnostic Data IncfiledCriticalDiagnostic Data Inc
Publication of FI800396ApublicationCriticalpatent/FI800396A/fi