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Priority claimed from US05/903,772external-prioritypatent/US4213811A/en
Priority claimed from US05/958,994external-prioritypatent/US4224463A/en
Application filed by Automation Industries, Inc.filedCriticalAutomation Industries, Inc.
Priority claimed from EP79101407Aexternal-prioritypatent/EP0005278B1/de
Application grantedgrantedCritical
Publication of ATE10819T1publicationCriticalpatent/ATE10819T1/de