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Xiuming Yu

Beizhangzhuang, CN: #1 of 1 inventorsTop 100%
Overall (2002): #89,185 of 266,432Top 35%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6419234 Oil sealing ring — 2002-07-16

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Xiaoying Yun1
Xigui Yuan1
Xiaojuen Yuan1
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Xiaoyu Yu1
Xiaoying Yu1
Xiao-Jian Yao1
Xian Yao1