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Priority to JP1972029853UpriorityCriticalpatent/JPS5316904Y2/ja
Priority to DE2305542Aprioritypatent/DE2305542C3/de
Priority to US335416Aprioritypatent/US3870246A/en
Publication of JPS48106209UpublicationCriticalpatent/JPS48106209U/ja
Priority to US05/499,605prioritypatent/US3951357A/en
Application grantedgrantedCritical
Publication of JPS5316904Y2publicationCriticalpatent/JPS5316904Y2/ja