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Vertical glass melting furnace
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Patent number 5,241,558
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Issue date Aug 31, 1993
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Nippon Sheet Glass Co., Ltd.
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Yukihito Nagashima
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C03 - GLASS MINERAL OR SLAG WOOL
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Glass melting furnace
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Patent number 4,927,446
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Issue date May 22, 1990
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Nippon Sheet Glass Co., Ltd.
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Seiichiro Manabe
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C03 - GLASS MINERAL OR SLAG WOOL
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Method of cooling molten glass
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Patent number 4,652,293
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Issue date Mar 24, 1987
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Nippon Sheet Glass Co., Ltd.
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Hiroshi Samejima
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C03 - GLASS MINERAL OR SLAG WOOL
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