Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018681 | Oil box device of a roots vacuum pump with a crossed cooling water tube set | Guichun Zhang | 2024-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018681 | Oil box device of a roots vacuum pump with a crossed cooling water tube set | Guichun Zhang | 2024-06-25 |