Regional cooperation of the CMEA countries in the patent information field : Kedrovsky O. V. and Negulyaev G.A. World Patent Information 5 (4), 219–225.

• Publisher: Elsevier Science
• Year: 1983
• Tongue: English
• Weight: 83 KB
• Volume: 5
• Category: Article
• ISSN: 0172-2190
• DOI: 10.1016/0172-2190(83)90018-2