I-Ching Chen

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Huwei Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Optical calibration and testing device for machine tools
- Patent number 8,542,358
- Issue date Sep 24, 2013
- National Formosa University
- Wen-Yuh Jywe
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical Calibration and Testing Device for Machine Tools
- Publication number 20110261348
- Publication date Oct 27, 2011
- National Formosa University
- Wen-Yuh Jywe
- G01 - MEASURING TESTING