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Priority to JP1987079472UpriorityCriticalpatent/JPH0420426Y2/ja
Priority to GB8812477Aprioritypatent/GB2206506B/en
Priority to EP88108427Aprioritypatent/EP0292970A1/en
Publication of JPS63186705UpublicationCriticalpatent/JPS63186705U/ja
Application grantedgrantedCritical
Publication of JPH0420426Y2publicationCriticalpatent/JPH0420426Y2/ja
