Two-Level Structure of the Reformed International Patent Classification (IPC)
Document Code | IPC/CE/29/4 SUPPL.1 |
Related Meeting(s) | IPC/CE/29 |
Publication Date | March 10, 2000 |
English | Two-Level Structure of the Reformed International Patent Classification (IPC) |
Français | Structure à deux niveaux de la Classification internationale des brevets après sa réforme |