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Priority to JP10353175UpriorityCriticalpatent/JPS5646229Y2/ja
Priority to US05/698,814prioritypatent/US4084134A/en
Publication of JPS5218080UpublicationCriticalpatent/JPS5218080U/ja
Application grantedgrantedCritical
Publication of JPS5646229Y2publicationCriticalpatent/JPS5646229Y2/ja