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Priority claimed from US06/569,678external-prioritypatent/US4626413A/en
Priority claimed from US06/635,551external-prioritypatent/US4666860A/en
Application filed by Anatel CorpfiledCriticalAnatel Corp
Application grantedgrantedCritical
Publication of ATE43916T1publicationCriticalpatent/ATE43916T1/en