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Nitrogen treating method
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Patent number 7,241,373
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Issue date Jul 10, 2007
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Sanyo Electric Co., Ltd.
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Naoki Hiro
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Heat carrier
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Patent number 6,530,420
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Issue date Mar 11, 2003
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Sanyo Electric Co., LTD
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Tomohito Takada
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F28 - HEAT EXCHANGE IN GENERAL
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Absorption type refrigerating machine
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Patent number 6,192,694
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Issue date Feb 27, 2001
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Sanyo Electric Co., LTD
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Naoki Hiro
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Heat exchanger
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Patent number 5,676,202
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Issue date Oct 14, 1997
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Sanyo Electric Co., Ltd.
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Koji Akashi
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F28 - HEAT EXCHANGE IN GENERAL
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