U.S.S.R. patents and inventions.
Soviet Union.Komitet po delam izobreteniĭ i otkrytiĭ.Biulletenʹ izobreteniĭ.(English translation)
London : Pergamon Press,
"Abstracts journal".
"Translation of the journal Biuletten' izobretenii".
Description based on: 1959, nos. 1/2.
Organ of the Committee on Inventions and Discoveries of the U.S.S.R. Council of Ministers.
Inventions
Patents
USSR official bulletin of patents & inventions