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