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Priority to JP1985115524UpriorityCriticalpatent/JPH0347302Y2/ja
Priority to US06/888,475prioritypatent/US4778147A/en
Publication of JPS6223413UpublicationCriticalpatent/JPS6223413U/ja
Application grantedgrantedCritical
Publication of JPH0347302Y2publicationCriticalpatent/JPH0347302Y2/ja