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Priority to JP13503375UpriorityCriticalpatent/JPS5445104Y2/ja
Priority to US05/727,109prioritypatent/US4083690A/en
Priority to DE2644366Aprioritypatent/DE2644366C3/de
Publication of JPS5257694UpublicationCriticalpatent/JPS5257694U/ja
Application grantedgrantedCritical
Publication of JPS5445104Y2publicationCriticalpatent/JPS5445104Y2/ja