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Application filedfiledCritical
Priority to JP11652688UpriorityCriticalpatent/JPH0544581Y2/ja
Priority to DE19893991022prioritypatent/DE3991022T1/de
Priority to PCT/JP1989/000865prioritypatent/WO1990002887A1/ja
Priority to US07/474,030prioritypatent/US5088584A/en
Priority to DE3991022Aprioritypatent/DE3991022C2/de
Publication of JPH0238530UpublicationCriticalpatent/JPH0238530U/ja
Application grantedgrantedCritical
Publication of JPH0544581Y2publicationCriticalpatent/JPH0544581Y2/ja