Patents/Inventors

Ranrong Liu

YunnanCN1 patent

2 Patents

US120980862024
Device for Advanced Nitrogen and Phosphorus Removal in Sewage Treatment
YUNNAN HEXU ENVIRONMENTAL TECHNOLOGY CO., Ltd.
0 cites
US119559682024
Combined Logic Control Circuit and Sewage Treatment System
YUNNAN HEXU ENVIRONMENTAL TECHNOLOGY CO., Ltd.
0 cites