Zhao Jin

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Shenzhen, TW

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Patents Grantslast 30 patents

Information Patent Grant
Method for conversion treating surface of magnesium alloy workpiece
- Patent number 8,262,810
- Issue date Sep 11, 2012
- Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
- Sheng-En Hsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...