Number | Date | Country | Kind |
---|---|---|---|
6272/86 | Aug 1986 | AUX |
Number | Name | Date | Kind |
---|---|---|---|
D259170 | Emms | May 1981 | |
2279943 | Hayes et al. | Apr 1942 | |
3236932 | Grigas et al. | Feb 1966 | |
3738076 | Kessler | Jun 1973 | |
3977145 | Dobby et al. | Aug 1976 | |
4089141 | Heroux | May 1978 |