GENEVA, Sept. 19 -- HUANENG YIMIN COAL ELECTRICITY CO., LTD (Yiminhe Town, Ewenki Autonomous BannerHulun Buir, Inner Mongolia 021133), 华能伊敏煤电有限责任公司 (中国内蒙古自治区呼伦贝尔市鄂温克族自治旗伊敏河镇) filed a patent application (PCT/CN2024/128704) for "STEAM DRUM BOILER SIMULATION METHOD AND APPARATUS FOR PRIMARY FREQUENCY REGULATION ANALYSIS OF SUBCRITICAL THERMAL POWER GENERATING UNIT" on Oct 31, 2024. With publication no. WO/2025/189778, the details related to the patent application was published on Sep 18, 2025.

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