3 Patents
- US123980562025Sewage Treatment System and Method of Continuous Flow Step-feed Short-cut Denitrification-anaerobic Ammonia Oxidation Coupled with Denitrification
BEIJING DRAINAGE TECHNOLOGY CO., Ltd
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- US122645822025In-situ Stress Measurement Device and Method for Ultra-deep Non-vertical Drilling
Changjing River Scientific Research Institute
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