GENEVA, Aug. 17 -- CHINA COAL BEIJING COAL MINING MACHINERY CO., LTD. (No. 1, Kuangji Road, Chengguan TownFangshan District, Beijing 102400), 中煤北京煤矿机械有限责任公司 (中国北京市房山区城关镇矿机路1号) filed a patent application (PCT/CN2025/074611) for "LONG-SERVICE-LIFE THREE-TELESCOPIC LEG FOR HYDRAULIC SUPPORT AND HYDRAULIC SUPPORT COMPRISING SAME" on Jan 24, 2025. With publication no. WO/2025/167723, the details related to the patent application was published on Aug 14, 2025.
Notably, the patent application was submitted under the International Patent Classifica...