Number | Date | Country | Kind |
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197 01 551 | Jan 1997 | DEX |
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3365934 | Holz et al. | Jan 1968 | |
3422957 | Fosler | Jan 1969 | |
4214179 | Jacobson et al. | Jul 1980 | |
4491019 | Wicki et al. | Jan 1985 | |
4972110 | Gorodissky et al. | Nov 1990 | |
5659136 | Koch et al. | Aug 1997 |
Number | Date | Country |
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7024362 | Jan 1995 | JPX |
Entry |
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Abstract of 2,619,214 FR. |
Abstract of 412,885 EP. |