Number | Date | Country | Kind |
---|---|---|---|
2-328605 | Nov 1990 | JPX | |
2-328606 | Nov 1990 | JPX | |
2-328667 | Nov 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4674079 | Agostini | Jun 1987 | |
4682320 | d'Alayer de Costemore d'Arc | Jul 1987 | |
5038337 | Muramatsu et al. | Aug 1991 | |
5043832 | Ueda et al. | Aug 1991 |
Number | Date | Country |
---|---|---|
2103863 | Feb 1983 | GBX |