Number | Date | Country | Kind |
---|---|---|---|
8602705 | Feb 1986 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3957348 | Saeva | May 1976 | |
3970579 | Taylor | Jul 1976 | |
4131463 | Tsuboi et al. | Dec 1978 | |
4340264 | Yamashita et al. | Jul 1982 | |
4431263 | Gavito | Feb 1984 | |
4748074 | Pantelis et al. | May 1988 |
Number | Date | Country |
---|---|---|
234751 | Sep 1987 | EPX |
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