Mengziao Yuan

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
Input device, input method and application of electronic cipher cod...
- Publication number 20070133802
- Publication date Jun 14, 2007
- Shanghai Buddy Techonological Co. LTD
- Mengziao Yuan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES