A patent information center in Germany, equipment, service activities, promotion and innovative developments

• Book ID: 107926888
• Publisher: Elsevier Science
• Year: 1993
• Tongue: English
• Weight: 106 KB
• Volume: 15
• Category: Article
• ISSN: 0172-2190
• DOI: 10.1016/0172-2190(93)90023-p