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Priority to JP8342686UpriorityCriticalpatent/JPH0539878Y2/ja
Priority to DE87105952Tprioritypatent/DE3787047T2/de
Priority to EP87105952Aprioritypatent/EP0247359B1/en
Publication of JPS6360323UpublicationCriticalpatent/JPS6360323U/ja
Application grantedgrantedCritical
Publication of JPH0539878Y2publicationCriticalpatent/JPH0539878Y2/ja
