Ruping Zhu

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Digital exposure apparatus for a color enlarging photoprinter
- Patent number 7,359,035
- Issue date Apr 15, 2008
- Shanghai Liebold Technology Ltd. Co.
- Zongxi Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Digital exposure apparatus for a color enlarging photoprinter
- Publication number 20050157277
- Publication date Jul 21, 2005
- Zongxi Zhu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE