Normativni aktove, ukazanii͡a︡ i materiali po izobretatelstvoto i rat͡s︡ionalizatorstvoto v NR Bŭlgarii͡a︡
By: [sŭstaviteli Mikhail Mikhaĭlov Kodzhabashev, Milka Nikolova Stoi͡a︡nova].
Contributors: Kodzhabashev, Mikhail.; Stoi͡a︡nova, Milka Nikolova.
Publisher: Nauka i izkustvo
Published: 1983
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 263
Subjects: Inventions -- Bulgaria.; Technological innovations -- Law and legislation -- Bulgaria.