Kwok Hung Chan

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Ma On Shan, HK

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Patents Grantslast 30 patents

Information Patent Grant
Automatic motor-output-redirection system
- Patent number 6,662,686
- Issue date Dec 16, 2003
- Kwok Hung Chan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC MOTOR-OUTPUT-REDIRECTION SYSTEM
- Publication number 20030177862
- Publication date Sep 25, 2003
- Kwok Hung Chan
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR