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Priority to JP7909873ApriorityCriticalpatent/JPS5520492B2/ja
Priority to FR7408369Aprioritypatent/FR2221473A1/fr
Priority to NL7403332Aprioritypatent/NL7403332A/xx
Priority to DE19742411886prioritypatent/DE2411886A1/de
Publication of JPS5028546ApublicationCriticalpatent/JPS5028546A/ja
Publication of JPS5520492B2publicationCriticalpatent/JPS5520492B2/ja