INTERNATIONAL PATENT: SHANGHAI FANQING ENVIRONMENTAL ENGINEERING CO., LTD., 上海凡清环境工程有限公司 FILES APPLICATION FOR "INTERNAL CIRCULATION MULTI-STAGE A/O WASTEWATER TREATMENT PROCESS AND DEVICE"

GENEVA, July 7 -- SHANGHAI FANQING ENVIRONMENTAL ENGINEERING CO., LTD. (No. 99, Shidongkou RoadBaoshan District, Shanghai 200942), 上海凡清环境工程有限公司 (中国上海市宝山区石洞口路99号) filed a patent application (PCT/CN2024/142392) for "INTERNAL CIRCULATION MULTI-STAGE A/O WASTEWATER TREATMENT PROCESS AND DEVICE" on Dec 25, 2024. With publication no. WO/2025/140334, the details related to the patent application was published on Jul 03, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Pr...