Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914122 | Liquid injection type reamer bit | Hua Nan, Deyi Nan, Faqiang Su | 2021-02-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10914122 | Liquid injection type reamer bit | Hua Nan, Deyi Nan, Faqiang Su | 2021-02-09 |