Yi Liu

Follow

Person

Foshan, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Non-halogen activating agent used as flux
- Patent number 8,853,417
- Issue date Oct 7, 2014
- Hunan Astar Biotechnology Ltd.
- Zongming Yi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Non-halogen activating agent used as flux
- Publication number 20120142938
- Publication date Jun 7, 2012
- HUNAN ASTAR BIOTECHNOLOGY LTD
- Zongming Yi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR