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Yandong Yang

CC China Railway Tunnel Group Co.: 1 patents #1 of 6Top 20%
Overall (2025): #74,162 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12372452 Method and device for determining concentration of surfactant solution for oil displacement by imbibition Feifei Huang, Shaofei Kang, Chunsheng Pu, Hengli Wang 2025-07-29
12339199 TBM tunneling test bench for microwave-assisted rotary rock breaking Gaoming Lu, Kairong Hong, Chuigang Zeng, Jianjun Zhou, Limeng Zhang 2025-06-24