Number | Date | Country | Kind |
---|---|---|---|
5-250538 | Oct 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4320207 | Watanabe et al. | Mar 1982 |
Number | Date | Country |
---|---|---|
0358979 | Mar 1990 | EPX |
60-76567 | May 1985 | JPX |
63-286473 | Nov 1988 | JPX |
2-242807 | Jul 1990 | JPX |
Entry |
---|
Database WPI, Derwent Publications Ltd., AN 89 291056, JP-A-1 215 805, Aug. 29, 1989. |
Database WPI, Derwent Publications Ltd., AN 90 338101, JP-A-2 242 807, Sep. 27, 1990. |
Database WPI, Werwent Publications Ltd., AN 94-132051, JP-A-6 080 711, Mar. 22, 19994. |