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---|---|---|---|
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D283530 | Smith et al. | Apr 1986 | |
D288951 | Kiiski | Mar 1987 | |
D306750 | Kiiski | Mar 1990 | |
326247 | Root | Sep 1885 | |
1176365 | Hartnett | Mar 1916 | |
4188030 | Hooper | Feb 1980 | |
4477071 | Brown et al. | Oct 1984 | |
4618139 | Haaheim | Oct 1986 | |
4684126 | Dalebout et al. | Aug 1987 | |
4750736 | Watterson | Jun 1988 | |
4838543 | Armstrong et al. | Jun 1989 | |
4850585 | Dalebout | Jul 1989 | |
4940233 | Bull et al. | Jul 1990 | |
4971316 | Dalebout et al. | Nov 1990 | |
5004224 | Wang | Apr 1991 | |
5104363 | Shi | Apr 1992 | |
5129872 | Dalton et al. | Jul 1992 | |
5254067 | Habing et al. | Oct 1993 |