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Plate heat exchanger
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Patent number 4,848,451
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Issue date Jul 18, 1989
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Alfa-Laval Thermal AB
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Nils-Ake Jonsson
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F28 - HEAT EXCHANGE IN GENERAL
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Fluid flow apparatus
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Patent number 4,823,867
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Issue date Apr 25, 1989
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Raymond J. Pollard
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F28 - HEAT EXCHANGE IN GENERAL
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Plate heat exchanger
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Patent number 4,699,212
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Issue date Oct 13, 1987
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Alfa-Laval Thermal AB
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Jarl Andersson
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F28 - HEAT EXCHANGE IN GENERAL
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Heat exchanger
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Patent number 4,354,551
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Issue date Oct 19, 1982
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Alfa-Laval AB
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Ingmar Kristoffersson
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F28 - HEAT EXCHANGE IN GENERAL
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3259183
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Patent number 3,259,183
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Issue date Jul 5, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3249155
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Patent number 3,249,155
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Issue date May 3, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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2796239
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Patent number 2,796,239
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Issue date Jun 18, 1957
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F28 - HEAT EXCHANGE IN GENERAL
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2566928
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Patent number 2,566,928
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Issue date Sep 4, 1951
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F28 - HEAT EXCHANGE IN GENERAL
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2003758
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Patent number 2,003,758
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Issue date Jun 4, 1935
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F28 - HEAT EXCHANGE IN GENERAL
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1991555
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Patent number 1,991,555
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Issue date Feb 19, 1935
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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1636958
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Patent number 1,636,958
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Issue date Jul 26, 1927
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F28 - HEAT EXCHANGE IN GENERAL
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1503846
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Patent number 1,503,846
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Issue date Aug 5, 1924
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F28 - HEAT EXCHANGE IN GENERAL