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Priority to JP12055875UpriorityCriticalpatent/JPS5543194Y2/ja
Priority to DE2630671Aprioritypatent/DE2630671C3/de
Priority to US05/704,037prioritypatent/US4123807A/en
Publication of JPS5234147UpublicationCriticalpatent/JPS5234147U/ja
Application grantedgrantedCritical
Publication of JPS5543194Y2publicationCriticalpatent/JPS5543194Y2/ja