Jung-Chi Chiang

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Wurih Township, Taichung County, TW

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Patents Grantslast 30 patents

Information Patent Grant
One-way ratchet tool
- Patent number 7,987,746
- Issue date Aug 2, 2011
- Yocoso Corp.
- Jung-Chi Chiang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS