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Catalyst unit and gas purifying apparatus
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Patent number 6,063,342
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Issue date May 16, 2000
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Babcock-Hitachi Kabushiki Kaisha
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Yasuyoshi Kato
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Catalyst unit and gas purifying apparatus
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Patent number 5,792,432
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Issue date Aug 11, 1998
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Babcock-Hitachi Kabushiki Kaisha
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Yasuyoshi Kato
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Catalyst for purifying exhaust gas
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Patent number 5,409,681
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Issue date Apr 25, 1995
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Babcock-Hitachi Kabushiki Kaisha
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Yasuyoshi Kato
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Apparatus for removing nitrogen oxides
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Patent number 4,726,935
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Issue date Feb 23, 1988
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Babcock-Hitachi Kabushiki Kaisha
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Yoshiro Inatsune
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL