YS

Yao Shengyong

BM Brasscraft Manufacturing: 1 patents #46 of 76Top 65%
📍 Guizhou, CN: #37 of 83 inventorsTop 45%
Overall (All Time): #3,153,235 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D678981 Valve — 2013-03-26