Kehai Li

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Florence, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Arc welder and related system
- Patent number 9,233,432
- Issue date Jan 12, 2016
- YuMing Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Arc Welder and Related System
- Publication number 20080190900
- Publication date Aug 14, 2008
- YuMing Zhang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR