TJ

Tengfei Ji

Overall (All Time): #2,548,689 of 4,157,543Top 65%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12152514 Variable valve actuation device for engine Dongri JIN, Hongqiang Yu, Wei Shi, Jian SONG 2024-11-26