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Priority claimed from US06/207,639external-prioritypatent/US4322163A/en
Application filed by Fingermatrix IncfiledCriticalFingermatrix Inc
Priority claimed from EP81109648Aexternal-prioritypatent/EP0052348B1/en
Application grantedgrantedCritical
Publication of ATE32554T1publicationCriticalpatent/ATE32554T1/en