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Priority to JP1341188UpriorityCriticalpatent/JPH056942Y2/ja
Priority to PCT/JP1988/000527prioritypatent/WO1992004852A1/ja
Priority to US07/392,911prioritypatent/US5044036A/en
Publication of JPH01118743UpublicationCriticalpatent/JPH01118743U/ja
Application grantedgrantedCritical
Publication of JPH056942Y2publicationCriticalpatent/JPH056942Y2/ja