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Priority to JP17041878UpriorityCriticalpatent/JPS605483Y2/ja
Priority to US06/101,247prioritypatent/US4328431A/en
Publication of JPS5585738UpublicationCriticalpatent/JPS5585738U/ja
Application grantedgrantedCritical
Publication of JPS605483Y2publicationCriticalpatent/JPS605483Y2/ja