CH

Chunling Hong

KL Kingdream Public Limited: 1 patents #8 of 24Top 35%
📍 Hubei, CN: #808 of 1,664 inventorsTop 50%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6119797 Single cone earth boring bit Xuezhong Liu, Hongmei Huang, Heng Du 2000-09-19