Number | Date | Country | Kind |
---|---|---|---|
8531072 | Dec 1985 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3833623 | Magee | Sep 1974 | |
3885032 | Magee | May 1975 | |
3914417 | Magee | Oct 1975 |
Number | Date | Country |
---|---|---|
0111105 | Jun 1984 | EPX |
0164187 | Dec 1985 | EPX |
0143593 | Dec 1986 | EPX |
228853 | Jul 1987 | EPX |
Entry |
---|
Derwent Abstract for Su 300471 (6/23/71). |