Izobretatelsko pravo na NRB
By: Mikhail M. Kodzhabashev.
Edition: 1. izd.
Series: Biblioteka na izobretateli͡a︡ i rat͡s︡ionalizatora
Publisher: Dŭrzh. izd-vo "Tekhnika"
Published: 1986
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 146
Subjects: Inventions -- Bulgaria.; Patent laws and legislation -- Bulgaria.