Liuzheng Zhang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic inspection and monitoring method based on time domain slo...
- Patent number 10,409,251
- Issue date Sep 10, 2019
- China National Petroleum Corporation
- Huadong Sun
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC INSPECTION AND MONITORING METHOD BASED ON TIME DOMAIN SLO...
- Publication number 20160299482
- Publication date Oct 13, 2016
- CHINA NATIONAL PETROLEUM CORPORATION
- Huadong Sun
- H04 - ELECTRIC COMMUNICATION TECHNIQUE