Number | Date | Country | Kind |
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99 830 124 | Mar 1999 | EP |
Number | Name | Date | Kind |
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4399276 | Miyasak et al. | Aug 1983 | |
5614529 | Wall et al. | Mar 1997 | |
5981542 | Bigg et al. | Nov 1999 | |
6130227 | Merlini et al. | Oct 2000 |
Number | Date | Country |
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WO 0931003 | Aug 1997 | WO |
Entry |
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