Number | Date | Country | Kind |
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11-235454 | Aug 1999 | JP |
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5757584 | Schick | May 1998 | A |
5866961 | Suzuki et al. | Feb 1999 | A |
5945753 | Maegawa et al. | Aug 1999 | A |
5949613 | Moir et al. | Sep 1999 | A |
5986365 | Kuwert et al. | Nov 1999 | A |
Entry |
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Patent Abstracts of Japan vol. 011, No. 091 (P-558) Mar. 23, 1987. |