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198 01 732 | Jan 1998 | DE |
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5138451 | Shinkawa et al. | Aug 1992 | A |
5859634 | Ou et al. | Jan 1999 | A |
6256003 | Tsuchiya et al. | Jul 2001 | B1 |
Number | Date | Country |
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3025356 | Apr 1980 | DE |
3119668 | May 1981 | DE |
258885 | Mar 1987 | DE |
4244419 | Dec 1992 | DE |
403123188 | May 1991 | JP |
Entry |
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Patent Abstracts of Japan: 8-331590; 59-57590; 62-159996; 8-214323; 55-161477; 7-131829; 3-284093. |