The U.S. patent classification or the international patent classification: Which system should the people's Republic of China adopt?

✍ Scribed by Xu Yi-Ping; P.James Terragno

• Book ID: 107926255
• Publisher: Elsevier Science
• Year: 1980
• Tongue: English
• Weight: 829 KB
• Volume: 2
• Category: Article
• ISSN: 0172-2190
• DOI: 10.1016/0172-2190(80)90056-3