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4676869 | Lee et al. | Jun 1987 | |
5364817 | Lur et al. | Nov 1994 | |
5460689 | Raaijmakers et al. | Oct 1995 | |
5698112 | Naeher et al. | Dec 1997 | |
5773537 | Shishiguchi | Jun 1998 | |
5874357 | Jun et al. | Feb 1999 |
Number | Date | Country |
---|---|---|
1-286442 | Nov 1989 | JPX |
9528000 | Oct 1995 | WOX |
Entry |
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