LD

Lurui Dang

PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #2,537,695 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12117584 Device and method for determining original stratum direction of core Jiahuan He, Keming Zhou, Cheng-En Lei, Mei Huang, Jintao Zhang +1 more 2024-10-15