2. Getting involved
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NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

About DKE Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees
Technical rule [CURRENT]

ITU-T R.20
Telegraph modem for subscriber lines

Title (German)

Telegrafie-Modem für Anschlußleitungen

Edition 1988-11
Original language English
Price On Request
Order from DIN Media
Table of contents