XI'AN HWELL OPTIC-ELECTRIC TECH CO., LTD.

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Xi'an, Shaanxi, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electronic current transformer based on complete self-excitation po...
- Patent number 8,587,971
- Issue date Nov 19, 2013
- Xi'an Hwell Optic-Electric Tech Co., Ltd
- Zhongzhan Liu
- G01 - MEASURING TESTING

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Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC CURRENT TRANSFORMER BASED ON COMPLETE SELF-EXCITATION PO...
- Publication number 20120153931
- Publication date Jun 21, 2012
- XI'AN HWELL OPTIC-ELECTRIC TECH CO., LTD.
- Zhongzhan Liu
- G01 - MEASURING TESTING