HH

Haitao Hou

PL Petrochina Company Limited: 1 patents #264 of 890Top 30%
Overall (All Time): #2,914,359 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10107056 Core holding system Yapu Zhang, Zhengming Yang, Xuewei Liu, Yutian Luo, Shengchun Xiong +1 more 2018-10-23