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Priority to JP11998788UpriorityCriticalpatent/JPH0417034Y2/ja
Priority to KR1019890013303Aprioritypatent/KR950005901B1/ko
Priority to DE68911244Tprioritypatent/DE68911244T2/de
Priority to EP89309234Aprioritypatent/EP0359515B1/en
Publication of JPH0239691UpublicationCriticalpatent/JPH0239691U/ja
Priority to US07/537,148prioritypatent/US5016362A/en
Application grantedgrantedCritical
Publication of JPH0417034Y2publicationCriticalpatent/JPH0417034Y2/ja