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Bungo Iino

NC Nkk Co.: 1 patents #579 of 1,173Top 50%
Overall (All Time): #3,621,309 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
6090342 Stave for metallurgical furnace Takashi Sumigama, Kazumasa Wakimoto, Mamoru Tsukamoto 2000-07-18