Lian Jian

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Shaanxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Digital certificate automatic application method, device and system
- Patent number 9,397,840
- Issue date Jul 19, 2016
- China Iwncomm Co., Ltd.
- Yanan Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DIGITAL CERTIFICATE AUTOMATIC APPLICATION METHOD, DEVICE AND SYSTEM
- Publication number 20150333916
- Publication date Nov 19, 2015
- CHINA IWNCOMM CO., LTD.
- Yanan Hu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE