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Priority to JP50112297ApriorityCriticalpatent/JPS5236186A/ja
Priority to US05/722,671prioritypatent/US4087411A/en
Priority to DE2641705Aprioritypatent/DE2641705C2/de
Publication of JPS5236186ApublicationCriticalpatent/JPS5236186A/ja
Publication of JPS5542085B2publicationCriticalpatent/JPS5542085B2/ja