Yanmei Tang

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Xuchang, CN

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Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREVENTING DIFFERENTIAL PROTECTION MALOPERATION OF OPTIC...
- Publication number 20170163024
- Publication date Jun 8, 2017
- XJ GROUP CORPORATION
- Baowei Li
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Frequency Measuring Method and Measuring Device For Electricity System
- Publication number 20160320437
- Publication date Nov 3, 2016
- XJ GROUP CORPORATION
- Li Wang
- G01 - MEASURING TESTING