Standard frequencies and time signals : reports of the CCIR, 1990: (also decisions): annex to volume VII / International Telecommunication Union

CCIR PLENARY ASSEMBLY, XVII, Dusseldorf, 1990; UNION INTERNATIONALE DES TÉLÉCOMMUNICATIONS. Comité Consultatif Internationale des Radiocommunnications

Geneva: UIT, 1990

V, 190 p. ; 30 cm

92-61-04231-7

Radiocomunicações

Radiocomunicações; Frequências

1990

Material Textual Impresso