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| Buy Request |  | Sell Offer |  | Company |  | Reviews | |
| Expire | Country | Pic | Subject | Popularity |
| never |  CN |  | Up-conversion phosphor for tagging and identification | 606 |
| never | CN | | Phosphors for colored fluorescent lamps | 388 |
| never | CN | | Tri-band Phosphors for tricolor lamps | 380 |
| never | CN | | Premixed tri-band phosphors for CFL and CCFL lamps | 359 |
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