Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085098 | Grade 550MPA high-temperature resistant pipeline steel and method of manufacturing same | Lei Zheng, Chuanguo Zhang | 2021-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085098 | Grade 550MPA high-temperature resistant pipeline steel and method of manufacturing same | Lei Zheng, Chuanguo Zhang | 2021-08-10 |