Chin Feng Wang

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Taichung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Positioning device for a driving shaft of a lathe chuck
- Patent number 5,878,638
- Issue date Mar 9, 1999
- Colovos Co., Ltd.
- Chin Feng Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR