- 专利编号
- 10-1421194
- 专利内容
- Purification method of mixed organic electroluminescent material
- 专利编号
- 10-1525814
- 专利内容
- Method for refining of organic electroluminescent material using the mixed absorbent
- 专利编号
- 10-1403470
- 专利内容
- Method for refining of recovered organic electroluminescent material
