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Priority claimed from JP35633296Aexternal-prioritypatent/JPH10180452A/ja
Priority claimed from JP35633196Aexternal-prioritypatent/JPH10180451A/ja
Priority claimed from JP35633496Aexternal-prioritypatent/JP3254156B2/ja
Priority claimed from JP35633396Aexternal-prioritypatent/JP3281562B2/ja
Priority claimed from JP35093696Aexternal-prioritypatent/JP3254396B2/ja
Application filed by Nippon Kokan KkfiledCriticalNippon Kokan Kk
Application grantedgrantedCritical
Publication of TW363003BpublicationCriticalpatent/TW363003B/zh