https://patents.google.com/patent/CN103256674A/en
CN103256674A - Coiled tube type wall body strengthening ventilation air-conditioner energy-saving...
The invention relates to the field of building ventilation technology and natural energy applications, specifically an enhanced ventilation and...
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Wholesale 3003 O Aluminum Coiled Tube for Air Conditioner - Aluminum Coiled Tube and Aluminum Coil...
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