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Priority to JP6295380UpriorityCriticalpatent/JPS6029267Y2/ja
Priority to US06/259,224prioritypatent/US4445005A/en
Publication of JPS56163384UpublicationCriticalpatent/JPS56163384U/ja
Application grantedgrantedCritical
Publication of JPS6029267Y2publicationCriticalpatent/JPS6029267Y2/ja