Number | Name | Date | Kind |
---|---|---|---|
4617400 | Ito et al. | Oct 1986 | |
4864026 | Bickert et al. | Sep 1989 | |
4900820 | Kajimoto et al. | Feb 1990 | |
4918186 | Kajimoto et al. | Apr 1990 | |
4925940 | Franz et al. | May 1990 |
Number | Date | Country |
---|---|---|
1173432 | Dec 1969 | GBX |
Entry |
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