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Hiroshi Nakatani
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Kitakyushu, JP
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last 30 patents
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Patent Grant
Preheating mechanism for use with duplex electric-arc furnace system
Patent number
4,653,065
Issue date
Mar 24, 1987
Nippon Steel Corporation
Masahiko Seki
C21 - METALLURGY OF IRON
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Patent Grant
Raw materials charging device for preheating furnace
Patent number
4,565,479
Issue date
Jan 21, 1986
Nippon Steel Corp.
Masahiko Seki
B66 - HOISTING LIFTING HAULING