WQ

Weixin Qian

Overall (2017): #94,450 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9607597 Particulate sound absorption board and preparation method thereof Jiashu Shen 2017-03-28
9607599 Particulate sound barrier and sound absorption/insulation board thereof Jiashu Shen 2017-03-28