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Application filedfiledCritical
Priority to JP1988134701UpriorityCriticalpatent/JPH0611440Y2/ja
Priority to US07/413,763prioritypatent/US5031403A/en
Publication of JPH0254965UpublicationCriticalpatent/JPH0254965U/ja
Application grantedgrantedCritical
Publication of JPH0611440Y2publicationCriticalpatent/JPH0611440Y2/ja
Priority to US08/829,792prioritypatent/USRE36807E/en
