GENEVA, Dec. 21 -- CHANGSHA INSTITUTE OF MINING RESEARCH CO., LTD (No.343 Lushan South Road, Yuelu DistrictChangsha, Hunan 410012), 长沙矿山研究院有限责任公司 (中国湖南省长沙市岳麓区麓山南路343号) filed a patent application (PCT/CN2025/087077) for "EFFICIENT CONTINUOUS MINING METHOD FEATURING SEPARATION OF MINING AND FILLING" on Apr 03, 2025. With publication no. WO/2025/256234, the details related to the patent application was published on Dec 18, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is m...