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Priority to JP7975089UpriorityCriticalpatent/JPH0724754Y2/ja
Priority to KR1019890016199Aprioritypatent/KR0141252B1/ko
Priority to US07/433,943prioritypatent/US5045656A/en
Priority to DE68927888Tprioritypatent/DE68927888T2/de
Priority to EP89311580Aprioritypatent/EP0406496B1/en
Publication of JPH0319224UpublicationCriticalpatent/JPH0319224U/ja
Application grantedgrantedCritical
Publication of JPH0724754Y2publicationCriticalpatent/JPH0724754Y2/ja