Yu Chen

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Ruian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Drilling and tapping machine
- Patent number 9,630,259
- Issue date Apr 25, 2017
- RuiAn RezPack Machinery Co., Ltd.
- Yu Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Drilling and Tapping Machine
- Publication number 20160279715
- Publication date Sep 29, 2016
- RuiAn RezPack Machinery Co., Ltd.
- Yu Chen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR