Index of copyright certificates and patents for inventions issued in the USSR for the second half

Lugar: Leningrad

Año: 1937

Idioma: Russian

Index of copyright certificates and patents for inventions issued in the USSR for the second half of 1937. In Russian /Ukazateli avtorskikh svidetelstv i patentov na izobreteniya, vydannykh v Soyuze SSR za vtoroe polugodie 1937 goda. Appendix to # 12 of the bulletin of the State Bureau for Further Registration of Inventions under the State Plan of the Union of Soviet Socialist Republics. Leningrad Publishing House for Invention under the State Plan of the Union of Soviet Socialist Republics, 1937, 54 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb11c3bffb3288020b.