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last 30 patents
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Patent Grant
Vertical bright annealing furnace for continuous heat treatment of...
Patent number
5,588,828
Issue date
Dec 31, 1996
Chugai Ro Co., Ltd.
Masato Nagata
C21 - METALLURGY OF IRON
Information
Patent Grant
Continuous heat treating furnace for metallic strip
Patent number
4,588,378
Issue date
May 13, 1986
Chugai Ro Co., Ltd.
Tadashi Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat treating furnace for metallic strip
Patent number
4,568,274
Issue date
Feb 4, 1986
Chugai Ro Co., Ltd.
Masayuki Imose
C21 - METALLURGY OF IRON