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Priority to JP1987008020UpriorityCriticalpatent/JPH0449674Y2/ja
Priority to IT8819175Aprioritypatent/IT8819175A0/it
Publication of JPS63118099UpublicationCriticalpatent/JPS63118099U/ja
Priority to IT02120590Uprioritypatent/IT219787Z2/it
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Publication of JPH0449674Y2publicationCriticalpatent/JPH0449674Y2/ja