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Priority to JP8543272ApriorityCriticalpatent/JPS5331165B2/ja
Priority to GB3464573Aprioritypatent/GB1434552A/en
Priority to DE2338807Aprioritypatent/DE2338807C3/de
Priority to US384306Aprioritypatent/US3884540A/en
Publication of JPS4939987ApublicationCriticalpatent/JPS4939987A/ja
Publication of JPS5331165B2publicationCriticalpatent/JPS5331165B2/ja