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Priority to JP5173288UpriorityCriticalpatent/JPH01154333U/ja
Priority to US07/360,914prioritypatent/US4949829A/en
Priority to PCT/JP1988/000773prioritypatent/WO1989001096A1/ja
Publication of JPH01154333UpublicationCriticalpatent/JPH01154333U/ja