AL

Ai Jun Li

KL Kingdream Public Limited: 1 patents #8 of 24Top 35%
📍 Hubei, CN: #808 of 1,664 inventorsTop 50%
Overall (All Time): #3,569,860 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6176331 Bearing sealing means of earth boring bits Zhi Jin, Xian Zhong Qiu, Feng Shou Xia 2001-01-23