Tse-Hua Chang

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Cingshuei Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Pneumatic grinder
- Patent number 7,654,886
- Issue date Feb 2, 2010
- Tse-Hua Chang
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
PNEUMATIC GRINDER
- Publication number 20090023365
- Publication date Jan 22, 2009
- Tse-Hua Chang
- B24 - GRINDING POLISHING