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Priority to JP13701679UpriorityCriticalpatent/JPS5812292Y2/ja
Priority to GB8031681Aprioritypatent/GB2062595B/en
Publication of JPS5653285UpublicationCriticalpatent/JPS5653285U/ja
Application grantedgrantedCritical
Publication of JPS5812292Y2publicationCriticalpatent/JPS5812292Y2/ja