Number | Date | Country | Kind |
---|---|---|---|
3-15763 | Jan 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3996249 | Corson et al. | Dec 1976 | |
4144244 | Brace | Mar 1979 | |
4271079 | Maeda et al. | Jun 1981 | |
4273719 | Tani et al. | Jun 1981 | |
4371688 | Moore | Feb 1983 | |
4381396 | Ryang | Apr 1983 | |
5149831 | Furukawa et al. | Sep 1992 |
Number | Date | Country |
---|---|---|
9170086 | Sep 1984 | JPX |
Entry |
---|
Maeda et al, CA93-133301r (1980). |