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Priority to JP9217590UpriorityCriticalpatent/JPH086456Y2/ja
Priority to IT91MI002318Aprioritypatent/ITMI912318A1/it
Priority to KR1019910015182Aprioritypatent/KR0169133B1/ko
Publication of JPH0449963UpublicationCriticalpatent/JPH0449963U/ja
Priority to IT96MI000018Uprioritypatent/IT226092Y1/it
Application grantedgrantedCritical
Publication of JPH086456Y2publicationCriticalpatent/JPH086456Y2/ja