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Priority to JP19758587UpriorityCriticalpatent/JPH046683Y2/ja
Priority to US07/392,911prioritypatent/US5044036A/en
Priority to PCT/JP1988/000527prioritypatent/WO1992004852A1/ja
Publication of JPH01101459UpublicationCriticalpatent/JPH01101459U/ja
Application grantedgrantedCritical
Publication of JPH046683Y2publicationCriticalpatent/JPH046683Y2/ja