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Ion exchange filter
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Patent number 7,635,427
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Issue date Dec 22, 2009
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Toyo Roki Seizo Kabushiki Kaisha
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Koji Suzuki
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Fuel cell system
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Patent number 7,442,454
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Issue date Oct 28, 2008
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Nissan Motor Co., Ltd.
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Keisuke Wakabayashi
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Fuel cell system
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Patent number 7,189,467
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Issue date Mar 13, 2007
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Nissan Motor Co., Ltd.
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Keisuke Wakabayashi
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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