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Wenzhang Qiao

SCShandong Weida Machinery Co.: 1 patents #1 of 1Top 100%
Wendeng District, CN: #1 of 1 inventorsTop 100%
Overall (2017): #200,271 of 506,227Top 40%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9744601 Drill chuck — 2017-08-29

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