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Gas sparging method
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Patent number 4,368,060
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Issue date Jan 11, 1983
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Chiyoda Chemical Engineering and Construction Co., Ltd.
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Hiroshi Yanagiako
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas-liquid contacting apparatus
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Patent number 4,229,417
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Issue date Oct 21, 1980
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Chiyoda Chemical Engineering & Construction Co., Ltd.
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Toshio Kanai
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas-liquid contacting method
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Patent number 4,156,712
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Issue date May 29, 1979
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Chiyada Chemical Engineering & Construction Co., Ltd.
-
Toshio Kanai
-
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL