Refrigeration
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AIR and WATER HEAT PUMP
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DIGITAL TEMPERATURE INDICATOR
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DIGITAL WATTMETER UPGRADE
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MECHANICAL HEAT PUMP
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REFRIGERANT FLOWMETER
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REFRIGERATION CYCLE DEMONSTRATION UNIT
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REFRIGERATION LABORATORY UNIT
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THERMO-ELECTRIC HEAT PUMP UNIT
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VAPOUR JET REFRIGERATOR/ HEAT PUMP
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VORTEX TUBE REFRIGERATOR
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WATER TO WATER HEAT PUMP