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D373173 | Valley et al. | Aug 1996 | |
D378122 | Milrud et al. | Feb 1997 | |
2616660 | Morehouse | Nov 1952 | |
3402892 | Ayrial | Sep 1968 | |
5025825 | Gayton | Jun 1991 | |
5305476 | Ohyama | Apr 1994 |