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Priority claimed from US06/597,415external-prioritypatent/US4566919A/en
Priority claimed from US06/597,416external-prioritypatent/US4548659A/en
Application filed by Ireco IncfiledCriticalIreco Inc
Priority claimed from EP85302438Aexternal-prioritypatent/EP0159171B1/en
Application grantedgrantedCritical
Publication of ATE49191T1publicationCriticalpatent/ATE49191T1/en