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YC Yantai Jereh Petroleum Equipment & Technologies Co.: 1 patents #12 of 39Top 35%
Overall (2022): #264,021 of 548,613Top 50%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11492887 Power supply semi-trailer for electric drive fracturing equipment Rikui Zhang, Dong Liu 2022-11-08