Normativni aktove po izobretatelsko pravo na NRB i normativni dokumenti na T͡S︡S na NTS po IRD.
Contributors: Nauchno-tekhnicheski sŭi͡u︡zi v Bŭlgarii͡a︡. Sofiĭski gradski sŭvet.
Publisher: Nauchno-tekhn. sŭi͡u︡zi v Bŭlgarii͡a︡, Sofiĭski gradski sŭvet
Published: 1980
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 149
Subjects: Patent laws and legislation -- Bulgaria.