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Priority to JP1001087UpriorityCriticalpatent/JPS63174708U/ja
Priority to US07/147,721prioritypatent/US4922257A/en
Priority to EP88101116Aprioritypatent/EP0276817B1/en
Priority to DE88101116Tprioritypatent/DE3884974T2/de
Publication of JPS63174708UpublicationCriticalpatent/JPS63174708U/ja
