Number | Date | Country | Kind |
---|---|---|---|
8119036 | Jun 1981 | GBX | |
8208667 | Mar 1982 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3615450 | Werber et al. | Oct 1971 | |
3996121 | Greer et al. | Dec 1976 | |
4079183 | Green | Mar 1978 | |
4120721 | Ketley et al. | Oct 1978 | |
4132812 | Mathias | Jan 1979 | |
4140703 | Darms et al. | Feb 1979 | |
4177122 | Sato | Dec 1979 | |
4179577 | Green | Dec 1979 | |
4181807 | Green | Jan 1980 | |
4216306 | Boeckler | Aug 1980 | |
4220513 | Green et al. | Sep 1980 | |
4243793 | Williams | Jan 1981 | |
4308367 | Green et al. | Dec 1981 |
Number | Date | Country |
---|---|---|
890 | Mar 1979 | EPX |
33896 | Aug 1981 | EPX |
1215591 | Dec 1970 | GBX |
1293722 | Oct 1972 | GBX |
1390711 | Apr 1975 | GBX |
1445814 | Aug 1976 | GBX |
1474715 | May 1977 | GBX |
1560822 | Feb 1980 | GBX |
Entry |
---|
Derwent CPI Abstract No. 52728B/29 (of West German Offen. 2,800,356) 7/1979. |