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Priority to JP1109572UpriorityCriticalpatent/JPS5037460Y2/ja
Priority to US00287409Aprioritypatent/US3828902A/en
Publication of JPS4886224UpublicationCriticalpatent/JPS4886224U/ja
Application grantedgrantedCritical
Publication of JPS5037460Y2publicationCriticalpatent/JPS5037460Y2/ja