Maintenance of international telegraph, phototelegraph and leased circuits : maintenance of the international public telephone network: maintenance of maritime satellite and data transmission systems: recommendations M.800 - M.1375 / International Telecommunication Union

PLENARY ASSEMBLY, IX, Melbourne, 1988; UIT

Geneva: ITU, 1989

IX, 126 p. ; 30 cm

Blue Book. Fasc. IV.2; Vol. IV

92-61-03401-2

Vária

Serviços-de-Telecomunicações; Manutenção; Redes-de-Telecomunicações

1989

Material Textual Impresso

ENG