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Priority to JP1988114390UpriorityCriticalpatent/JPH0235161U/ja
Priority to US07/400,206prioritypatent/US4943829A/en
Priority to EP89308835Aprioritypatent/EP0357434B1/en
Priority to DE68915493Tprioritypatent/DE68915493T2/de
Priority to KR1019890012665Aprioritypatent/KR930008607B1/ko
Publication of JPH0235161UpublicationCriticalpatent/JPH0235161U/ja