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Priority to JP1987105951UpriorityCriticalpatent/JPH0450390Y2/ja
Priority to KR1019880007591Aprioritypatent/KR890002514A/ko
Priority to EP88110973Aprioritypatent/EP0298514B1/en
Priority to DE8888110973Tprioritypatent/DE3863241D1/de
Publication of JPS6411274UpublicationCriticalpatent/JPS6411274U/ja
Application grantedgrantedCritical
Publication of JPH0450390Y2publicationCriticalpatent/JPH0450390Y2/ja