Number | Date | Country | Kind |
---|---|---|---|
376/88 | Feb 1988 | AUX |
Number | Name | Date | Kind |
---|---|---|---|
4374370 | Popovski et al. | Feb 1983 | |
4459571 | Fraser | Jul 1984 | |
4630002 | Leiba | Dec 1986 |
Number | Date | Country |
---|---|---|
2245476 | Mar 1974 | DEX |
3305453 | Aug 1984 | DEX |
Entry |
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Pocketbook of High Frequency Technology (Taschenbuch der Hochfrequenztechnik), H. Meinke & F. W. Gundlach, pp. 1318-9, Springer-Verlag, Berlin 1956. |