Prava izobretatelei i ratsionalizatorov
By: [avtory]:V.Ya. Ionas, A.A. Klyuev [i] A.V. Mavrin.
Contributors: Klyuev, Anatolii Aleksandrovich.; Mavrin, Aleksandr Venediktovich.
Publisher: Profizdat
Published: 1959
Place of publication: Moskva
Language: rus