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Priority to JP6122790UpriorityCriticalpatent/JPH082808Y2/ja
Priority to GB9112021Aprioritypatent/GB2244696B/en
Priority to KR1019910009423Aprioritypatent/KR920001499A/ko
Priority to DE4118722Aprioritypatent/DE4118722A1/de
Publication of JPH0420613UpublicationCriticalpatent/JPH0420613U/ja
Application grantedgrantedCritical
Publication of JPH082808Y2publicationCriticalpatent/JPH082808Y2/ja