WAN-CHUN ZHAO

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-fake identification device and method for making the same
- Patent number 7,823,788
- Issue date Nov 2, 2010
- ShenZhen FuTaiHong Precision Industry Co., Ltd.
- Wei Li
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
ANTI-FAKE IDENTIFICATION DEVICE AND METHOD FOR MAKING THE SAME
- Publication number 20090072040
- Publication date Mar 19, 2009
- SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
- WEI LI
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS