Haiyuan MA

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Chongqing, CN

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Patents Applicationslast 30 patents

Information Patent Application
RAINWATER GARDEN WITH REDUCED NITROUS OXIDE EMISSION
- Publication number 20250187961
- Publication date Jun 12, 2025
- CHONGQING UNIVERSITY
- Hongxiang CHAI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
BIORETENTION POND FOR RAINWATER TREATMENT
- Publication number 20230416129
- Publication date Dec 28, 2023
- CHONGQING UNIVERSITY
- Hongxiang CHAI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE