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Priority to JP1988003318UpriorityCriticalpatent/JPH01109747U/ja
Priority to KR8817112Aprioritypatent/KR920007668B1/ko
Priority to AU28314/89Aprioritypatent/AU611248B2/en
Priority to CN89100162Aprioritypatent/CN1034991A/zh
Priority to DE68917740Tprioritypatent/DE68917740T2/de
Priority to US07/295,530prioritypatent/US4895002A/en
Priority to EP89100440Aprioritypatent/EP0324462B1/en
Publication of JPH01109747UpublicationCriticalpatent/JPH01109747U/ja