| Number | Date | Country | Kind |
|---|---|---|---|
| 2006 3 0016090 | Apr 2006 | CN | national |
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| D514578 | Dong et al. | Feb 2006 | S |
| D517075 | Zhu et al. | Mar 2006 | S |
| D517078 | Yu et al. | Mar 2006 | S |