Patent Information in the modern age = Patentnaja informacija na sovremennom ztape :

Patent Information in the modern age = Patentnaja informacija na sovremennom ztape : Scientific and Practical Conference Celebration of 100th anniversary of the All-Russian Patent and Technical Library (VPTB) ; 1896 - 1996 - 60 S.


Text russ. und engl. Teilw. in kyrill. Schrift