Kelun Zhao

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing resonant tube, resonant tube and cavity fi...
- Patent number 9,196,947
- Issue date Nov 24, 2015
- SHENZHEN TATFOOK NETWORK TECHNOLOGY CO., LTD.
- Kelun Zhao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Method for Manufacturing Resonant Tube, Resonant Tube and Cavity Fi...
- Publication number 20130127569
- Publication date May 23, 2013
- Shenzhen Tatfook Network Technology Co., Ltd.
- Kelun Zhao
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...