-
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Steam condenser
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Patent number 5,018,572
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Issue date May 28, 1991
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ASEA Brown Boveri Ltd.
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Francisco Blangetti
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F28 - HEAT EXCHANGE IN GENERAL
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Steam condenser
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Patent number 4,967,833
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Issue date Nov 6, 1990
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ASEA Brown Boveri Ltd.
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Francisco Blangetti
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F28 - HEAT EXCHANGE IN GENERAL
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Feedwater heater
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Patent number 4,461,346
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Issue date Jul 24, 1984
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Hitachi, Ltd.
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Yoshiyuki Hoshino
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F28 - HEAT EXCHANGE IN GENERAL
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2869833
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Patent number 2,869,833
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Issue date Jan 20, 1959
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F28 - HEAT EXCHANGE IN GENERAL
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2180840
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Patent number 2,180,840
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Issue date Nov 21, 1939
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F28 - HEAT EXCHANGE IN GENERAL
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1935864
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Patent number 1,935,864
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Issue date Nov 21, 1933
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F28 - HEAT EXCHANGE IN GENERAL
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1845539
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Patent number 1,845,539
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Issue date Feb 16, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1845545
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Patent number 1,845,545
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Issue date Feb 16, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1845538
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Patent number 1,845,538
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Issue date Feb 16, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1827827
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Patent number 1,827,827
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Issue date Oct 20, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1810375
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Patent number 1,810,375
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Issue date Jun 16, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1764716
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Patent number 1,764,716
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Issue date Jun 17, 1930
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F28 - HEAT EXCHANGE IN GENERAL
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1637558
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Patent number 1,637,558
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Issue date Aug 2, 1927
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F28 - HEAT EXCHANGE IN GENERAL
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1591769
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Patent number 1,591,769
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Issue date Jul 6, 1926
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F28 - HEAT EXCHANGE IN GENERAL
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1578031
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Patent number 1,578,031
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Issue date Mar 23, 1926
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F28 - HEAT EXCHANGE IN GENERAL
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1524482
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Patent number 1,524,482
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Issue date Jan 27, 1925
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F28 - HEAT EXCHANGE IN GENERAL
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1137422
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Patent number 1,137,422
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Issue date Apr 27, 1915
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F28 - HEAT EXCHANGE IN GENERAL