Number | Name | Date | Kind |
---|---|---|---|
4816063 | Yamaguchi et al. | Mar 1989 |
Number | Date | Country |
---|---|---|
60-152465 | Aug 1985 | JPX |
62-91 | Mar 1986 | JPX |
2150929 | Jul 1985 | GBX |
Entry |
---|
Abstract (Derwent) 87-0407 49/06 of Japan 62-91. |
Abstract (Derwent) 85-233795/38 of Japan 60-152465. |