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Priority to JP700788UpriorityCriticalpatent/JPH0160484U/ja
Priority to GB8824028Aprioritypatent/GB2211034B/en
Priority to KR2019880016766Uprioritypatent/KR940003198Y1/ko
Publication of JPH0160484UpublicationCriticalpatent/JPH0160484U/ja
Priority to GB9124328Aprioritypatent/GB2248529B/en
