Instrukt︠s︡ii︠a︡ dli︠a︡ pochtovo-telegrafno-telefonnykh agentstv i selʹskikh pis'monost︠s︡ev
By: [utverzhdena Narodnym Komissarom pocht i telegrafov]..
Published: 1927
Place of publication: Leningrad : Tip.-litogr. "Vestnik Leningr. Soveta"
Language: rus
Number of pages: 140
Subjects: Telegraph; Postal service; Telephone