SM

Song Ming

Overall (2016): #224,203 of 481,213Top 50%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9469904 Surface processing method for a high hardness and abrasion resistant zinc alloy surface of imitation plating hexvalent chromium Hu-Dong Niu, Ying Wang, Zi-bao Wu 2016-10-18