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Priority to JP9896475UpriorityCriticalpatent/JPS5747988Y2/ja
Priority to DE19762632453prioritypatent/DE2632453C2/de
Publication of JPS5213804UpublicationCriticalpatent/JPS5213804U/ja
Priority to US05/870,321prioritypatent/US4150833A/en
Application grantedgrantedCritical
Publication of JPS5747988Y2publicationCriticalpatent/JPS5747988Y2/ja