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Priority to JP47027189ApriorityCriticalpatent/JPS4894842A/ja
Priority to US340347Aprioritypatent/US3889133A/en
Priority to CA166,214Aprioritypatent/CA1004304A/en
Priority to DE2312950Aprioritypatent/DE2312950A1/de
Publication of JPS4894842ApublicationCriticalpatent/JPS4894842A/ja