Basic Concept and Structure of the International Patent Classification (IPC), and Scope of Classification Places
Code du document | WIPO/IP/HRE/03/4 |
Réunion(s) connexe(s) | WIPO/IP/HRE/03 |
Date de publication | 1 avril 2003 |
English | Basic Concept and Structure of the International Patent Classification (IPC), and Scope of Classification Places |