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D289190 | Brentham | Apr 1987 | |
D340269 | Stevens | Oct 1993 | |
D342106 | Campbell et al. | Dec 1993 | |
D354176 | Schwaegerle et al. | Jan 1995 | |
4921247 | Sterling | May 1990 | |
5002271 | Gonzales | Mar 1991 | |
5044633 | Rice | Sep 1991 | |
5080353 | Tench | Jan 1992 | |
5470298 | Curtis | Nov 1995 |