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Priority to JP50018738ApriorityCriticalpatent/JPS5193800A/ja
Priority to US05/658,018prioritypatent/US4026994A/en
Priority to DE2606256Aprioritypatent/DE2606256C3/de
Publication of JPS5193800ApublicationCriticalpatent/JPS5193800A/ja
Publication of JPS5413880B2publicationCriticalpatent/JPS5413880B2/ja