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Process for the purification of waste gases and for heat recovery, and equipment for carrying out the process
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Method for regulating the circulating refrigerants in a refrigerant circuit, and device for carrying out the method
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Method of making a heat exchanger
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METHOD FOR PURIFYING EXHAUST GAS AND FOR RECOVERING HEAT AND DEVICE FOR CARRYING OUT THE METHOD
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Method and device for controlling the oil flow rate through an atomiser nozzle of an oil burner
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Underground conduits of a heat pump
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Heat store
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