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Yasutoshi Nanba

SC Shinagawa Refractories Co.: 1 patents #73 of 162Top 50%
Overall (All Time): #3,801,621 of 4,157,543Top 95%
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Patent #TitleCo-InventorsDate
5328064 Multi-stepped submerged nozzle for continuous casting Kozo Kanamaru, Yukinobu Kurashina 1994-07-12