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Cooling unit
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NEC Corporation
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Kazuhiko Umezawa
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Heat regenerators
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Copermill Limited
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Adrianmus J. Hengelmolen
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F28 - HEAT EXCHANGE IN GENERAL
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2744733
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F22 - STEAM GENERATION
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2424587
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F28 - HEAT EXCHANGE IN GENERAL
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1975101
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Patent number 1,975,101
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F28 - HEAT EXCHANGE IN GENERAL
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1854288
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F28 - HEAT EXCHANGE IN GENERAL
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1817232
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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1740145
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F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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1712892
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Issue date May 14, 1929
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F28 - HEAT EXCHANGE IN GENERAL
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1685131
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Patent number 1,685,131
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F28 - HEAT EXCHANGE IN GENERAL
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1378348
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F28 - HEAT EXCHANGE IN GENERAL
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1118196
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F28 - HEAT EXCHANGE IN GENERAL
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F28 - HEAT EXCHANGE IN GENERAL
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F28 - HEAT EXCHANGE IN GENERAL
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F28 - HEAT EXCHANGE IN GENERAL