Number | Name | Date | Kind |
---|---|---|---|
3539349 | Brooker et al. | Nov 1970 | |
3565630 | Millikan et al. | Feb 1971 | |
3822135 | Sakai et al. | Jul 1974 | |
4725532 | Kameoka et al. | Feb 1988 | |
4751175 | Aotsuka et al. | Jun 1988 |
Number | Date | Country |
---|---|---|
1471701 | Apr 1977 | GBX |
Entry |
---|
Chemical Abstracts 82382m, vol. 75, 1971. |