GENEVA, Nov. 23 -- HAILAER THERMAL POWER PLANT OF HULUNBEIER ANTAI THERMAL POWER CO., LTD (Erguna Road, Hailar DistrictHulun Buir, Inner Mongolia 021099), 呼伦贝尔安泰热电有限责任公司海拉尔热电厂 (中国内蒙古自治区呼伦贝尔市海拉尔区额尔古纳路) filed a patent application (PCT/CN2024/125073) for "AIR EXCHANGE DEVICE FOR HIGH-PRESSURE FREQUENCY CONVERSION CHAMBER OF COMBINED HEAT AND POWER GENERATOR UNIT IN EXTREMELY COLD WEATHER" on Oct 15, 2024. With publication no. WO/2025/236533, the details r...