Number | Date | Country | Kind |
---|---|---|---|
4-6830 | Mar 1992 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
D290359 | Inoue et al. | Jun 1987 | |
D298323 | Ariyoshi et al. | Nov 1988 | |
D299233 | Maki et al. | Jan 1989 | |
D307583 | Saito et al. | May 1990 | |
D319437 | Kurozumi et al. | Aug 1991 | |
D335665 | Althans et al. | May 1993 |