Number | Date | Country | Kind |
---|---|---|---|
4029816 | Sep 1990 | DEX | |
91113857.6 | Aug 1991 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
4585995 | Flugan | Apr 1986 | |
4703275 | Holland | Oct 1987 |
Number | Date | Country |
---|---|---|
0161782 | Nov 1985 | EPX |
0291157 | Nov 1988 | EPX |
0307516 | Mar 1989 | EPX |
3737133 | May 1989 | DEX |
Entry |
---|
"Grundschaltungen" Beuth et al. Electronik 3, pp. 335-354. |