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- 80490631 contributor B3882894.
- 80490631 contributor B3882895.
- 80490631 created "1979.".
- 80490631 date "1979".
- 80490631 date "1979.".
- 80490631 dateCopyrighted "1979.".
- 80490631 extent "46 p. ;".
- 80490631 isPartOf "Biblioteka - Bŭlgarska tŭrgovsko-promishlena palata ; kn. 129".
- 80490631 issued "1979".
- 80490631 issued "1979.".
- 80490631 language "bul".
- 80490631 publisher "Sofii︠a︡ : Bŭlg. tŭrg.-prom. palata,".
- 80490631 spatial "Europe, Eastern.".
- 80490631 subject "Inventions Europe, Eastern.".
- 80490631 subject "KJC2734 .V73 1979".
- 80490631 subject "Patent laws and legislation Europe, Eastern.".
- 80490631 title "Mezhdunarodnoto sŭtrudnichestvo v oblastta na izobretatelstvoto : [izledvane] / Vladimir Vrana, Georgi Sarakinov.".
- 80490631 type "text".