Apparatura nadtonalʹnogo telegrafirovanii͡a︡ NT-ChM-4 i promezhutochnai͡a︡ apparatura tonalʹnogo telegrafirovanii͡a︡
By: [otv. redaktor V.N. Amarantov].
Contributors: Amarantov, V. N.
Series: Tekhnika svi͡a︡zi
Publisher: Svi͡a︡zʹizdat
Published: 1957
Place of publication: Moskva
Language: rus
Number of pages: 86
Subjects: Telegraph -- Equipment and supplies.