Tianran DING

Follow

Person

Zhengzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Copper-phosphorus-tin brazing wire and preparation method thereof
- Patent number 11,931,828
- Issue date Mar 19, 2024
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD
- Sujuan Zhong
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
COPPER-TIN-NICKEL BRAZING MATERIAL PREPARED BY ALLOYS RECYCLED FROM...
- Publication number 20240068069
- Publication date Feb 29, 2024
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
- Weimin LONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Copper-Phosphorus-Tin Brazing Wire and Preparation Method Thereof
- Publication number 20230405731
- Publication date Dec 21, 2023
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
- Sujuan ZHONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR