RY

Rongshui Yang

Overall (2016): #244,379 of 481,213Top 55%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9447898 Ultra-high temperature rigidity seal ball valve Jingpan Su, Meilin HUANG, Yongxi Li, Aiyi Huang, Hu Jin +5 more 2016-09-20