Vklad otechestvennykh uchenykh v sozdanie provodnoĭ svi︠a︡zi
Series: Vsesoi︠u︡znoe obshchestvo po rasprostranenii︠u︡ politicheskikh i nauchnykh znaniĭ; Vsesoi︠u︡znoe obshchestvo po rasprostranenii︠u︡ politicheskikh i nauchnykh znaniĭ (Series)
Publisher: Pravda
Published: 1951
Place of publication: Moskva
Language: rus
Number of pages: 22
Subjects: Telegraph; Telephone; Scientists