LEI HONG

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BEIJING, CN

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Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR PROVIDING INFORMATION
- Publication number 20130138335
- Publication date May 30, 2013
- Hong Lei
- G01 - MEASURING TESTING
Information Patent Application
DUAL-SYSTEM DISPLAYING METHOD AND ELECTRIC DEVICE
- Publication number 20130127905
- Publication date May 23, 2013
- LENOVO (BEIJING) CO., LTD.
- XUEYUAN ZHANG
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS