Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212824 | Gold-plating etching process for 5G communication high-frequency signal boards | Qingfeng Liu | 2019-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10212824 | Gold-plating etching process for 5G communication high-frequency signal boards | Qingfeng Liu | 2019-02-19 |