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ISDN - Integrated Services Digital Network |
 "ISDN (click for larger image, 51k)") (click for larger image, 51k) |
Federal Republic of Germany (1988) 80 Pf 43 * 26 mm Michel 1368 A schematic representation of the Integrated Services Digital Network for the transmission of voice, text, images and data on a single telephone line. |
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First Day Postmark |
 "ISDN (click for larger image, 51k)") (click for larger image, 51k) |
Republic of Iceland (1988) 16 Krona 36 * 26 mm |
 "ISDN (click for larger image, 68k)") (click for larger image, 68k) |
Republic of Turkey (1988) 600 Lira 41 * 26 mm |
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Copyright © Andreas Tabak, 1998 - 2006 Last update on 04-Feb-2008 |
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