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Haijun REN

HC Hangzhou Xzb Tech Co.: 1 patents #2 of 2Top 100%
Overall (2018): #403,399 of 503,207Top 85%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9863382 High pressure oil pump roller tappet Na Xu 2018-01-09