YB

Yanhua Bian

GL Gulf Security Technology Company Limited: 1 patents #2 of 13Top 20%
Overall (All Time): #2,886,778 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9953504 Fire alarm device Zhihua Gao, Xuemin Liu 2018-04-24