Number | Date | Country | Kind |
---|---|---|---|
599/87 | Feb 1987 | CHX |
Number | Name | Date | Kind |
---|---|---|---|
4256493 | Yokoyama et al. | Mar 1981 | |
4547405 | Bedell et al. | Oct 1985 | |
4853471 | Rody et al. | Aug 1989 |
Number | Date | Country |
---|---|---|
0057160 | Aug 1982 | EPX |
2088777A | Jun 1982 | GBX |
Entry |
---|
Research Disclosure, 24239; Jun. 1984. |
Research Disclosure, 22519; Jan. 1983. |