Problemi na izobretatelstvoto i patentno-lit͡s︡enzionnata deĭnost
By: [redakt͡s︡ionna kolegii͡a︡, Ml. T͡S︡onev, T. Stancheva, Vl. Vrana].
Contributors: T͡S︡onev, Mladen Gutev.; Stancheva, Tamara.; Vrana, Vladimir.; Vissh mashinno-elektrotekhnicheski institut "V.I. Lenin."; Shkola po patentno delo (Sofia, Bulgaria)
Publisher: [s.n.]
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 80
Subjects: Inventions -- Bulgaria.; Patents -- Bulgaria.
Notes: Includes bibliographical references.
At head of title: Vissh mashinno-elektrotekhn. in-t "V.I. Lenin," Sofii͡a︡. Shkola po patentno delo.