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Priority to JP1989115051UpriorityCriticalpatent/JP2528018Y2/ja
Application filedfiledCritical
Priority to PCT/JP1990/001239prioritypatent/WO1991004873A1/ja
Priority to KR1019910700539Aprioritypatent/KR0153462B1/ko
Priority to EP90914414Aprioritypatent/EP0446371B1/en
Priority to DE69027421Tprioritypatent/DE69027421T2/de
Priority to US07/678,322prioritypatent/US5217313A/en
Publication of JPH0352198UpublicationCriticalpatent/JPH0352198U/ja
Priority to US07/945,402prioritypatent/US5352051A/en
Application grantedgrantedCritical
Publication of JP2528018Y2publicationCriticalpatent/JP2528018Y2/ja