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Priority to JP9485878UpriorityCriticalpatent/JPS5848718Y2/ja
Priority to US06/054,428prioritypatent/US4244259A/en
Publication of JPS5512265UpublicationCriticalpatent/JPS5512265U/ja
Application grantedgrantedCritical
Publication of JPS5848718Y2publicationCriticalpatent/JPS5848718Y2/ja