24th Communication Conference

30 ¢ 1983

Куба

36 - 43 руб

цена на 04.12.2022

World Communications Year

UIT / Telephone 9 руб	Telegram and airmail envelopes and U.P.U. emblem 12 руб	Telecommunications satellite and dish aerial 13 руб	UIT / Television / Radio 19 руб
24th Communication Conference 36 руб	"Methods of Communications" 7 руб