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Priority to JP15493775UpriorityCriticalpatent/JPS5430465Y2/ja
Priority to US05/715,444prioritypatent/US4098205A/en
Publication of JPS5272695UpublicationCriticalpatent/JPS5272695U/ja
Application grantedgrantedCritical
Publication of JPS5430465Y2publicationCriticalpatent/JPS5430465Y2/ja