Number | Date | Country | Kind |
---|---|---|---|
8607824 | Mar 1986 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4252803 | Webb | Feb 1981 | |
4650810 | Bays et al. | Mar 1987 | |
4672067 | Coates et al. | Jun 1987 |
Number | Date | Country |
---|---|---|
2082175A | Aug 1981 | GBX |
Entry |
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