Hongwu Qin

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti dumping switch and device having same
- Patent number 8,217,284
- Issue date Jul 10, 2012
- Shenzhen H & T Intelligent Control Co., Ltd.
- Qiaohua Dai
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Anti Dumping Switch and Device Having Same
- Publication number 20100288605
- Publication date Nov 18, 2010
- Qiaohua DAI
- H01 - BASIC ELECTRIC ELEMENTS