Rat͡s︡ionalizatorskie predlozhenii͡a︡ po provodnoĭ svi͡a︡zi.
Publisher: Gos. izd-vo lit-ry po voprosam svi͡a︡zi i radio
Published: 1955
Place of publication: Moskva
Language: rus
Number of pages: 186
Subjects: Telephone.; Telegraph.
Notes: Errata slip inserted.