Number | Date | Country | Kind |
---|---|---|---|
87480010 | Oct 1987 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
4161719 | Parikh et al. | Jul 1979 | |
4531212 | Hadziomerovi | Jul 1985 | |
4689790 | Lacroix et al. | Aug 1987 | |
4745601 | Diaz et al. | May 1988 |
Number | Date | Country |
---|---|---|
0015730 | Sep 1980 | EPX |
0050434 | May 1981 | EPX |
2101852 | Jan 1983 | GBX |
Entry |
---|
Patent Abstracts of Japan, vol. 1, Jul. 22, 1977, No. 145, p. 1216. |