Yongzhong Tian

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ZiBo City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Protective device for camera view finder
- Patent number 7,486,887
- Issue date Feb 3, 2009
- Yongzhong Tian
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Protective device for camera view finder
- Publication number 20060088316
- Publication date Apr 27, 2006
- Yongzhong Tian
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY