-
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3731736
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Patent number 3,731,736
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Issue date May 8, 1973
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F28 - HEAT EXCHANGE IN GENERAL
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3361198
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Patent number 3,361,198
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Issue date Jan 2, 1968
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F28 - HEAT EXCHANGE IN GENERAL
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3249154
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Patent number 3,249,154
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Issue date May 3, 1966
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F28 - HEAT EXCHANGE IN GENERAL
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3111168
-
Patent number 3,111,168
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Issue date Nov 19, 1963
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F28 - HEAT EXCHANGE IN GENERAL
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2905447
-
Patent number 2,905,447
-
Issue date Sep 22, 1959
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F28 - HEAT EXCHANGE IN GENERAL
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2869836
-
Patent number 2,869,836
-
Issue date Jan 20, 1959
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F28 - HEAT EXCHANGE IN GENERAL
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2804284
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Patent number 2,804,284
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Issue date Aug 27, 1957
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F28 - HEAT EXCHANGE IN GENERAL
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2804287
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Patent number 2,804,287
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Issue date Aug 27, 1957
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F28 - HEAT EXCHANGE IN GENERAL
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2677532
-
Patent number 2,677,532
-
Issue date May 4, 1954
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F28 - HEAT EXCHANGE IN GENERAL
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2655352
-
Patent number 2,655,352
-
Issue date Oct 13, 1953
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F28 - HEAT EXCHANGE IN GENERAL
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2578136
-
Patent number 2,578,136
-
Issue date Dec 11, 1951
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F22 - STEAM GENERATION
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2578305
-
Patent number 2,578,305
-
Issue date Dec 11, 1951
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F28 - HEAT EXCHANGE IN GENERAL
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1313730
-
Patent number 1,313,730
-
Issue date Aug 19, 1919
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F28 - HEAT EXCHANGE IN GENERAL
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1284578
-
Patent number 1,284,578
-
Issue date Nov 12, 1918
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F28 - HEAT EXCHANGE IN GENERAL