| Number | Date | Country | Kind |
|---|---|---|---|
| 000612072-0001 | Oct 2006 | EM | regional |
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|---|---|---|---|
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| D237738 | Necas | Nov 1975 | S |
| 3994216 | Difley et al. | Nov 1976 | A |
| 4047775 | Wolbrink | Sep 1977 | A |
| 4781111 | Chesnut | Nov 1988 | A |
| 5024151 | Girardin et al. | Jun 1991 | A |
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| D501856 | Okamoto et al. | Feb 2005 | S |
| D537651 | Seo et al. | Mar 2007 | S |