Cheng-Ping Wang

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Keelung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Trough-form fine blanking device
- Patent number 9,676,020
- Issue date Jun 13, 2017
- Cheng-Ping Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
TROUGH-FORM FINE BLANKING DEVICE
- Publication number 20150122101
- Publication date May 7, 2015
- Cheng-Ping Wang
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...