GENEVA, June 2 -- BEIJING YIXINGYUAN PETROCHEMICAL TECHNOLOGY CO., LTD (Building 6, Courtyard 69, Mapo Section, Baima RoadShunyi District, Beijing 101300), 北京易兴元石化科技有限公司 (中国北京市顺义区白马路马坡段69号院6号楼), NATIONAL INSTITUTE OF METROLOGY, CHINA (No. 18, North Third Ring East RoadChaoyang District, Beijing 100029), 中国计量科学研究院 (中国北京市朝阳区北三环东路18号) filed a patent application (PCT/CN2024...
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