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Ion exchanging apparatus
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Patent number 9,636,604
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Issue date May 2, 2017
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Organo Corporation
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Mitsuru Yoden
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Ion exchange resin plant
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Patent number 6,972,091
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Issue date Dec 6, 2005
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TM.E. S.p.A. - Termomeccanica Ecologia
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Piero Becucci
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2570258
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Patent number 2,570,258
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Issue date Oct 9, 1951
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2524635
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Patent number 2,524,635
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Issue date Oct 3, 1950
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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2467433
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Patent number 2,467,433
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Issue date Apr 19, 1949
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL