GENEVA, May 3 -- SICHUAN YOUDI YISHAN ENVIRONMENTAL TECHNOLOGY CO., LTD (No. 19, 15th Floor, Unit 2, Building 1, No. 2, Section 3, Jianshe North Road, Chenghua DistrictChengdu, Sichuan 610000), 四川佑地邑山环境科技有限公司 (中国四川省成都市成华区建设北路三段2号1栋2单元15层19号) filed a patent application (PCT/CN2025/121913) for "NON-POWERED AEROBIC SEWAGE TREATMENT DEVICE AND SEWAGE TREATMENT SYSTEM" on Sep 17, 2025. With publication no. WO/2026/086502, the details related to the patent application was published on Apr 30,...
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