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Publication date
Application filedfiledCritical
Priority to JP1973113690UpriorityCriticalpatent/JPS567933Y2/ja
Priority to US05/509,320prioritypatent/US3984847A/en
Priority to DE2446563Aprioritypatent/DE2446563C3/de
Publication of JPS5060040UpublicationCriticalpatent/JPS5060040U/ja
Application grantedgrantedCritical
Publication of JPS567933Y2publicationCriticalpatent/JPS567933Y2/ja