Number | Date | Country | Kind |
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8714537 | Jun 1987 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3544682 | Taylor et al. | Dec 1970 | |
3928352 | Taylor | Dec 1975 | |
4171214 | Balasubra-Manyan et al. | Oct 1979 | |
4678790 | Dorn et al. | Jul 1987 | |
4902332 | Elliott et al. | Feb 1990 |
Number | Date | Country |
---|---|---|
1361816 | Jul 1974 | GBX |
2130208 | May 1984 | GBX |
Entry |
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