Number | Date | Country | Kind |
---|---|---|---|
196 37 258 | Sep 1996 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
5752177 | Siegle et al. | May 1998 | |
5784691 | Rugl | Jul 1998 | |
5819166 | Kimura et al. | Oct 1998 | |
5913156 | Ruhl | Jun 1999 |
Entry |
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"Verkehrsfunk in Neuem Gewand" Funkschau Aug. 1992 I Spezial, pp. 22-26. |