Number | Date | Country | Kind |
---|---|---|---|
2950764 | Dec 1979 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3122716 | Whang | Feb 1964 | |
3340367 | Coleman | Sep 1967 | |
3518581 | Hughes | Jun 1970 | |
3564123 | Pezirtzoglov | Feb 1971 | |
3728475 | Inoue | Apr 1973 | |
3800265 | Yoshioka | Mar 1974 | |
3868604 | Tongue | Feb 1975 | |
4071782 | Vidovic | Jan 1978 | |
4140983 | Tamori | Feb 1979 | |
4200889 | Strobele | Apr 1980 |
Entry |
---|
Rundfunktechnische Mitteilungen, vol. 1, 1957 pp. 151-158. |