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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN). Syntax-based Videotex lower layers protocols for ISDN packet-mode (CCITT Recommendation X.31 Case A and Case B)
Standard published on 1.6.1995
Selected format:Terminal Equipment (TE). Syntax-based Videotex lower layer protocols using packet mode access over the Public Switched Telephone Network (PSTN)
Standard published on 1.11.1994
Selected format:Terminal Equipment (TE). Framework of videotex terminal protocols
Standard published on 1.11.1994
Selected format:Integrated Services Digital Network (ISDN). Syntax-based Videotex. Common end-to-end protocols
Standard published on 1.11.1994
Selected format:
WITHDRAWN published on 1.8.1995
Selected format:Terminal Equipment (TE) - Syntax-based videotex protocol - Terminal conformance testing
Standard published on 1.11.1998
Selected format:
WITHDRAWN published on 1.11.1994
Selected format:Terminal Equipment (TE). Group 3 Facsimile Equipment
Standard published on 1.11.1994
Selected format:Terminal Equipment (TE) - Group 3 facsimile equipment
Standard published on 1.4.1998
Selected format:Koncová zařízení (TE). Faksimilní zařízení skupiny 3.
Change published on 1.9.1995
Selected format:Latest update: 2025-08-17 (Number of items: 2 211 709)
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