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Priority to JP4060773ApriorityCriticalpatent/JPS5610374B2/ja
Priority to DE2417632Aprioritypatent/DE2417632A1/de
Publication of JPS49126512ApublicationCriticalpatent/JPS49126512A/ja
Priority to US05/686,598prioritypatent/US4055448A/en
Publication of JPS5610374B2publicationCriticalpatent/JPS5610374B2/ja