Guo-Feng Dai

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Shenzhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Power supply method of a line interactive UPS and the line interact...
- Patent number 7,141,892
- Issue date Nov 28, 2006
- Phoenixtec Power Co., Ltd.
- Guo-Feng Dai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Power supply method of a line interactive ups and the line interact...
- Publication number 20040036361
- Publication date Feb 26, 2004
- Phoenixtec Power Co., Ltd.
- Guo-Feng Dai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC