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Hot water air conditioner with six-way reversing valve
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The coolant system device of hot-water air-conditioning
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Utilize the improved four pipes triple valve of four-way valve
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Utilize the improved four pipes triple valve of air-conditioning four-way valve
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The coolant circulating device of heat pump air-conditioner/water heater
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A kind of coolant circulating device reclaimed for waste cold
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Refrigerant circulating device for recycling residual cool of heat pump water heater
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Water tank with inner container wound with double-pipe device
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Water tank with outer winding condensation pipe device of inner container in metal sleeve
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Main engine device with double compressors and double heat exchangers embedded in liners
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Main machine device with compressor and heat exchanger inside two inner containers
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Main machine device with compressor and heat exchanger disposed in inner container
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Outdoor unit of split-type air conditioner water heater
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Inner container device with heat exchanger and compressor inside
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Water-boiling type refrigeration compressor
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Lining of water heater with antiscaling performance
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Water heater internal bladder having anti-scale coating
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Water heater internal bladder having nano coating
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Electric water heater having instant water heating and water storage function
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Electric water heater with switchable heating unit
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