SY

Shuanglai Yang

Overall (2017): #240,968 of 506,227Top 50%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9638217 Lifting system and lifting method for jib of an operating machine, and an operating machine thereof 2017-05-02