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Priority to JP4853772ApriorityCriticalpatent/JPS5520186B2/ja
Priority to GB2286173Aprioritypatent/GB1366235A/en
Priority to DE19732325053prioritypatent/DE2325053C3/de
Priority to FR7318224Aprioritypatent/FR2185334A5/fr
Publication of JPS4915489ApublicationCriticalpatent/JPS4915489A/ja
Publication of JPS5520186B2publicationCriticalpatent/JPS5520186B2/ja