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4956834 | Coleman | Sep 1990 | |
4991975 | Alfgerness et al. | Feb 1991 | |
5367586 | Glance et al. | Nov 1994 | |
5442474 | Huang et al. | Aug 1995 | |
5546483 | Inoue et al. | Aug 1996 | |
5559910 | Taga et al. | Sep 1996 | |
5703708 | Das et al. | Dec 1997 | |
5870213 | Ishikawa et al. | Feb 1999 |
Entry |
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