Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599851 | Superfine microelemental biochemical mixture and foamed plastic products thereof | Rui Jin, Qibiao Yang | 1997-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599851 | Superfine microelemental biochemical mixture and foamed plastic products thereof | Rui Jin, Qibiao Yang | 1997-02-04 |