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Pack of heat transfer plates
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Patent number 4,953,629
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Issue date Sep 4, 1990
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Svenska Rotor Maskiner AB
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Kurt Karlsson
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F28 - HEAT EXCHANGE IN GENERAL
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Heat transfer element assembly
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Patent number 4,930,569
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Issue date Jun 5, 1990
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The Air Preheater Company, Inc.
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William F. Harder
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F28 - HEAT EXCHANGE IN GENERAL
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-
-
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Heat transfer element assembly
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Patent number 4,744,410
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Issue date May 17, 1988
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The Air Preheater Company, Inc.
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James A. Groves
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F28 - HEAT EXCHANGE IN GENERAL
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-
-
-
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Element basket
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Patent number 4,405,011
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Issue date Sep 20, 1983
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The Air Preheater Company, Inc.
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Richard F. Stockman
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F28 - HEAT EXCHANGE IN GENERAL
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-
-
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Heat exchange elements
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Patent number 4,125,149
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Issue date Nov 14, 1978
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Apparatebau Rothemuhle Brandt & Kritzler
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Gerhard Kritzler
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F28 - HEAT EXCHANGE IN GENERAL
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3875994
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Patent number 3,875,994
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Issue date Apr 8, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3874442
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Patent number 3,874,442
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Issue date Apr 1, 1975
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F28 - HEAT EXCHANGE IN GENERAL
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3465815
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Patent number 3,465,815
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Issue date Sep 9, 1969
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F28 - HEAT EXCHANGE IN GENERAL
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3416596
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Patent number 3,416,596
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Issue date Dec 17, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3379240
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Patent number 3,379,240
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Issue date Apr 23, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3373798
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Patent number 3,373,798
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Issue date Mar 19, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3251403
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Patent number 3,251,403
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Issue date May 17, 1966
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F28 - HEAT EXCHANGE IN GENERAL