Guoyong Zhang

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Dongguan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling the eccentricity of bonded multip...
- Patent number 7,740,729
- Issue date Jun 22, 2010
- Dongguan Anwell Digital Machinery Co., Ltd.
- Kai Leung Fan
- G11 - INFORMATION STORAGE