Guangquan Zhang

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Shenzhen, CN

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Patents Applicationslast 30 patents

Information Patent Application
Metal slicing machine
- Publication number 20090044670
- Publication date Feb 19, 2009
- Guangquan Zhang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Heat exchanger and fabrication method thereof
- Publication number 20080289809
- Publication date Nov 27, 2008
- Guomo Jiang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...