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Priority to JP243676ApriorityCriticalpatent/JPS5287555A/ja
Priority to DE2643575Aprioritypatent/DE2643575C2/de
Priority to US05/728,882prioritypatent/US4171627A/en
Publication of JPS5287555ApublicationCriticalpatent/JPS5287555A/ja
Publication of JPS556778B2publicationCriticalpatent/JPS556778B2/ja