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Priority to JP1420772ApriorityCriticalpatent/JPS5344003B2/ja
Priority to US00314455Aprioritypatent/US3820009A/en
Priority to DE19722261614prioritypatent/DE2261614C3/de
Publication of JPS4882510ApublicationCriticalpatent/JPS4882510A/ja
Publication of JPS5344003B2publicationCriticalpatent/JPS5344003B2/ja