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Priority claimed from US08/221,415external-prioritypatent/US5529192A/en
Priority claimed from CA 2120429external-prioritypatent/CA2120429C/en
Application filed by Ella B Conen, Tzvi J BronerfiledCriticalElla B Conen
Application grantedgrantedCritical
Publication of TW283076BpublicationCriticalpatent/TW283076B/zh