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D375638 | Dhanapal et al. | Nov 1996 | |
D390931 | Jackson | Feb 1998 | |
4574409 | McAffrey | Mar 1986 | |
5027445 | Locarno | Jul 1991 | |
5251338 | Light | Oct 1993 | |
5536068 | Valentor et al. | Jul 1996 | |
5755489 | Rossman et al. | May 1998 | |
5765236 | Bethanis | Jun 1998 |