JQ

Jia Sen Qiu

C( Cmech (Guangzhou): 1 patents #1 of 3Top 35%
Overall (2018): #370,717 of 503,207Top 75%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10006237 Automatic door stopping-closing device and door 2018-06-26