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Priority to JP4525772ApriorityCriticalpatent/JPS496934A/ja
Priority to GB2094973Aprioritypatent/GB1415735A/en
Priority to DE19732322527prioritypatent/DE2322527C3/de
Priority to FR7316437Aprioritypatent/FR2183900B1/fr
Publication of JPS496934ApublicationCriticalpatent/JPS496934A/ja