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Priority to JP2242576ApriorityCriticalpatent/JPS52106014A/ja
Priority to US05/772,132prioritypatent/US4087099A/en
Priority to DE2708670Aprioritypatent/DE2708670C3/de
Publication of JPS52106014ApublicationCriticalpatent/JPS52106014A/ja
Publication of JPS5337483B2publicationCriticalpatent/JPS5337483B2/ja