SJ

Songgen Jiang

📍 Longquan, CN: #2 of 3 inventorsTop 70%
Overall (All Time): #2,640,249 of 4,157,543Top 65%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11262157 Fixing and clamping device for a sword 2022-03-01