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Heat recovery fresh air unit with distributed cold and heat source
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Regenerative absorption dehumidifying device
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Total heat reclamation screw type heat pump units
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Double-tube bundle case condenser
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Dry-type water pan structure of ceiling air-conditioning unit
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Method for sealing end of copper collector
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But a kind of water source heat pump units of automatically backwashing sewage water
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Expansion tube method of oblique sheet type heat exchanger
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Flanging device for welding air feedback tube and technical pipe and using method thereof
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Pipeline structure for module machine cooling system
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Method for manufacturing copper pipe bulged ring and tube gripper for implementing the method
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Oil refrigerating device for wind cold-hot pump assembly
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Structure of fan coil pipe
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Method for packing shell and tube heat-exchanger heat-insulating layer
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Air treatment device with circulating dehumidification function
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Blower fan coil pipe possessing dehumidifying function
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