Kun ZHU

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for manufacturing coated welding rod
- Patent number 11,660,709
- Issue date May 30, 2023
- Weimin Long
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Device and Method for Manufacturing Coated Welding Rod
- Publication number 20220063025
- Publication date Mar 3, 2022
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
- Weimin LONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR