YB

Yanhua Bian

GL Gulf Security Technology Company Limited: 1 patents #1 of 3Top 35%
Overall (2018): #188,867 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

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