Fuzheng Sun

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Liaoning, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hand and press-button dual-way manual pulse generator with built-in...
- Patent number 8,299,780
- Issue date Oct 30, 2012
- Dalian Guangyang Science & Technology Engineering Co., Ltd.
- Dehai Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
HAND AND PRESS-BUTTON DUAL-WAY MANUAL PULSE GENERATOR WITH BUILT-IN...
- Publication number 20100033168
- Publication date Feb 11, 2010
- Dalian Guangyang Science & Technology Engineering Co., Ltd.
- Dehai Yu
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR