Telegraph transmission ; Telgraph services terminal equipment : series R recommendations
Corporate Author (Main)
The International Telegraph and Telephone Consultative Committee
Corporate Author (Secondary)
Plenary Assembly, 9, Melbourne, 1988
Country
Suiça.
Publication
Geneva : International Telecommunication Union, 1989
Description
XI, 281 p. :
il. ;
30 cm
Series
Blue book , Volume VII , 1
ISBN
92-61-03591-4
CDU
621.39
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