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FR2525330A1
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Evaporator de-icing in air heat pump driven by heat engine - using engine cooling water and exhaust heat to melt external ice on evaporator tubes
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EP0053953A2
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Method of regulating a heat pump using a cold source with limited heat flow, and corresponding device
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FR2514878A1
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MODULAR DRYER FOR GRAIN DRYING
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DE2845424A1
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Natural dry-process cooling towers - has baffles adjacent base to maintain adequate vertical air flow through tower, in adverse ambient conditions
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GB2031139A
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Process and apparatus for correcting the draught in natural draught dry-process cooling towers
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EP0001189A2
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Apparatus for draft correction in cooling towers, particularly of the natural draft type
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