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Convector with finned tubes
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Patent number 4,796,692
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Issue date Jan 10, 1989
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Energiagasdalkodasi Intezet
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Laszlo Szucs
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F28 - HEAT EXCHANGE IN GENERAL
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3033536
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Patent number 3,033,536
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Issue date May 8, 1962
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F28 - HEAT EXCHANGE IN GENERAL
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2867417
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Patent number 2,867,417
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Issue date Jan 6, 1959
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F28 - HEAT EXCHANGE IN GENERAL
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1997058
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Patent number 1,997,058
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Issue date Apr 9, 1935
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F28 - HEAT EXCHANGE IN GENERAL
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1973388
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Patent number 1,973,388
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Issue date Sep 11, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1963906
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Patent number 1,963,906
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Issue date Jun 19, 1934
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F28 - HEAT EXCHANGE IN GENERAL
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1890625
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Patent number 1,890,625
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Issue date Dec 13, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1890667
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Patent number 1,890,667
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Issue date Dec 13, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1885536
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Patent number 1,885,536
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Issue date Nov 1, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1880274
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Patent number 1,880,274
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Issue date Oct 4, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1877012
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Patent number 1,877,012
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Issue date Sep 13, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1875638
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Patent number 1,875,638
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Issue date Sep 6, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1872044
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Patent number 1,872,044
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Issue date Aug 16, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1865427
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Patent number 1,865,427
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Issue date Jul 5, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1865962
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Patent number 1,865,962
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Issue date Jul 5, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1863555
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Patent number 1,863,555
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Issue date Jun 21, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1861448
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Patent number 1,861,448
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Issue date Jun 7, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1860639
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Patent number 1,860,639
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Issue date May 31, 1932
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F24 - HEATING RANGES VENTILATING
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1852168
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Patent number 1,852,168
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Issue date Apr 5, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1845073
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Patent number 1,845,073
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Issue date Feb 16, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1841379
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Patent number 1,841,379
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Issue date Jan 19, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1841380
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Patent number 1,841,380
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Issue date Jan 19, 1932
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F28 - HEAT EXCHANGE IN GENERAL
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1835102
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Patent number 1,835,102
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Issue date Dec 8, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1823993
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Patent number 1,823,993
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Issue date Sep 22, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1816624
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Patent number 1,816,624
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Issue date Jul 28, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1816606
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Patent number 1,816,606
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Issue date Jul 28, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1816605
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Patent number 1,816,605
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Issue date Jul 28, 1931
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F28 - HEAT EXCHANGE IN GENERAL
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1816607
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Patent number 1,816,607
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Issue date Jul 28, 1931
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F28 - HEAT EXCHANGE IN GENERAL