YS

Yu SANG

PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #2,711,823 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10928282 Method and device for determining elasticity of cement stone utilized in well cementing of oil-gas well Youzhi Zheng, Bo Kong, Jie Li, Huiyun Ma, Tao Yang +15 more 2021-02-23