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Priority to JP8224574UpriorityCriticalpatent/JPS5327822Y2/ja
Priority to CA206,573Aprioritypatent/CA1010912A/en
Priority to US05/496,216prioritypatent/US3940895A/en
Publication of JPS5112140UpublicationCriticalpatent/JPS5112140U/ja
Application grantedgrantedCritical
Publication of JPS5327822Y2publicationCriticalpatent/JPS5327822Y2/ja