Number | Date | Country | Kind |
---|---|---|---|
85 05247 | Apr 1985 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3776615 | Tsukamoto et al. | Dec 1973 | |
3787834 | Elliott | Jan 1974 | |
4447812 | Soneda et al. | May 1984 |
Number | Date | Country |
---|---|---|
2385165 | Oct 1978 | FRX |
2532455 | Feb 1984 | FRX |
2069213 | Aug 1981 | GBX |
Entry |
---|
Patents Abstracts of Japan, vol. 7, N. 138 (P-204) (1283), Jun. 16, 1983 and JP-A-5854317. |