Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595023 | Structure of evaporation region of absorption diffusion type refrigerating circulation | Hao PAI, Ru He Jan | 2003-07-22 |
| 6581406 | Absorption diffusion type refrigerating structure | Hao PAI, Ru He Jan | 2003-06-24 |
| 6564573 | Concentrated ammonia aqueous solution tank used in absorption diffusion type refrigerating equipment | Hao PAI, Ru He Jan | 2003-05-20 |