Number | Date | Country | Kind |
---|---|---|---|
63-335442 | Dec 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3824620 | Langer | Jul 1974 | |
4250521 | Wright | Feb 1981 | |
4419687 | Dischert et al. | Dec 1983 | |
4472745 | Foerster et al. | Sep 1984 | |
4628371 | Kuroda | Dec 1986 | |
4638380 | Wilkinson et al. | Jan 1987 | |
4647983 | Ota et al. | Mar 1987 |
Number | Date | Country |
---|---|---|
171759 | Feb 1986 | EPX |
206045 | Mar 1988 | EPX |
Entry |
---|
"Le Haut-Parleu" No. 1753, Jun. 1988, pp. 78-82. |