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Priority to JP2640072UpriorityCriticalpatent/JPS5224501Y2/ja
Priority to US336365Aprioritypatent/US3877656A/en
Publication of JPS48103043UpublicationCriticalpatent/JPS48103043U/ja
Application grantedgrantedCritical
Publication of JPS5224501Y2publicationCriticalpatent/JPS5224501Y2/ja