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Priority to JP2318272ApriorityCriticalpatent/JPS5138993B2/ja
Priority to US00314535Aprioritypatent/US3834513A/en
Priority to DE2262203Aprioritypatent/DE2262203A1/de
Publication of JPS4891778ApublicationCriticalpatent/JPS4891778A/ja
Publication of JPS5138993B2publicationCriticalpatent/JPS5138993B2/ja