Jun Lu

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Ning Po, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tube-propelling apparatus for tube bending machine
- Patent number 10,780,482
- Issue date Sep 22, 2020
- Chieh-Wei Chen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
TUBE-PROPELLING APPARATUS FOR TUBE BENDING MACHINE
- Publication number 20150158071
- Publication date Jun 11, 2015
- Chieh-Wei Chen
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...