QF

Qiu Feng

CG Construction Research & Technology Gmbh: 1 patents #160 of 338Top 50%
📍 Urdorf, CH: #23 of 44 inventorsTop 55%
Overall (All Time): #3,340,856 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7618541 Method of de-watering a slurry mixture from a jet-grouting operation and aqueous suspension for use therein 2009-11-17