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Priority to JP11456072ApriorityCriticalpatent/JPS526369B2/ja
Priority to GB5287673Aprioritypatent/GB1424931A/en
Priority to DE19732356754prioritypatent/DE2356754B2/de
Priority to FR7340555Aprioritypatent/FR2206394B1/fr
Publication of JPS4971214ApublicationCriticalpatent/JPS4971214A/ja
Publication of JPS526369B2publicationCriticalpatent/JPS526369B2/ja