-
-
-
-
-
-
-
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-
-
Taphole knockout device
-
Patent number 6,221,313
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Issue date Apr 24, 2001
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North American Refractories Co.
-
Richard G. Hall
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C21 - METALLURGY OF IRON
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-
-
-
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Submerged nozzle change device
-
Patent number 5,879,579
-
Issue date Mar 9, 1999
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Shinagawa Refractories Co., Ltd.
-
Ryoichi Yoshino
-
B22 - CASTING POWDER METALLURGY
-
-
-
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Slide gate plate
-
Patent number 5,556,568
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Issue date Sep 17, 1996
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Toshiba Ceramics Co., Ltd.
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Shigeki Niwa
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B22 - CASTING POWDER METALLURGY
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