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Tower packing element
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Patent number 5,871,674
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Issue date Feb 16, 1999
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Tower packing element
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Patent number 5,200,119
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Issue date Apr 6, 1993
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Mass transfer trays
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Patent number 4,909,968
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Issue date Mar 20, 1990
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Tower packing
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Patent number 4,376,081
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Issue date Mar 8, 1983
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Tower packing element
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Patent number 4,327,043
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Issue date Apr 27, 1982
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Tower packing elements
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Patent number 4,316,863
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Issue date Feb 23, 1982
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Tower packing assembly
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Patent number 4,310,475
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Issue date Jan 12, 1982
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Max Leva
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Tower packing element
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Patent number 4,277,425
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Issue date Jul 7, 1981
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Max Leva
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F28 - HEAT EXCHANGE IN GENERAL
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Tower packing element
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Patent number 4,203,934
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Issue date May 20, 1980
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Max Leva
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F28 - HEAT EXCHANGE IN GENERAL
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