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Priority to JP3123172UpriorityCriticalpatent/JPS5043713Y2/ja
Priority to CA166,938Aprioritypatent/CA997025A/en
Priority to US341195Aprioritypatent/US3921129A/en
Publication of JPS48106447UpublicationCriticalpatent/JPS48106447U/ja
Application grantedgrantedCritical
Publication of JPS5043713Y2publicationCriticalpatent/JPS5043713Y2/ja