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Application filedfiledCritical
Priority to JP1988171242UpriorityCriticalpatent/JP2587483Y2/ja
Priority to US07/436,553prioritypatent/US5051011A/en
Publication of JPH0294137UpublicationCriticalpatent/JPH0294137U/ja
Priority to US08/409,887prioritypatent/US5607244A/en
Application grantedgrantedCritical
Publication of JP2587483Y2publicationCriticalpatent/JP2587483Y2/ja
