Printing by Offices of the Symbols of the Seventh Edition of the International Patent Classification (IPC)
| 文件编号 | IPC/CE/29/8 |
| 相关会议 | IPC/CE/29 |
| 发布日期 | 2000年3月8日 |
| English | Printing by Offices of the Symbols of the Seventh Edition of the International Patent Classification (IPC) |
| Français | Impression par les offices des symboles de la septième édition de la Classification internationale des brevets (CIB) |