Ling-Ben Yu

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Hang-Zhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Laser distance measuring system with a shutter mechanism
- Patent number 7,471,377
- Issue date Dec 30, 2008
- Asia Optical Co., Inc.
- Hua-Tang Liu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Laser distance measuring system with a shutter mechanism
- Publication number 20080036993
- Publication date Feb 14, 2008
- Hua-Tang Liu
- G01 - MEASURING TESTING