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DIN ETS 300263:1994-11
Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994
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ISDN - Teledienst "7-kHz-Telefondienst" - Dienstbeschreibung; Englische Fassung ETS 300263:1994
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| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 11/01/1994 |
| Page Count | 20 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/11/1994
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