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Tube and fin radiator
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Patent number 4,375,832
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Issue date Mar 8, 1983
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U.S. Philips Corporation
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George A. Asselman
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Heat exchanger
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Patent number 4,144,933
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Issue date Mar 20, 1979
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U.S. Philips Corporation
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George A. A. Asselman
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F28 - HEAT EXCHANGE IN GENERAL
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Heating device
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Patent number 4,136,733
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Issue date Jan 30, 1979
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U.S. Philips Corporation
-
George A. A. Asselman
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F28 - HEAT EXCHANGE IN GENERAL
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Heating device
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Patent number 3,965,334
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Issue date Jun 22, 1976
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George Albert Apolonia Asselman
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F28 - HEAT EXCHANGE IN GENERAL