Classification at the European Patent Office (EPO). Improvement of the IPC Revision Procedure
| 文件编号 | IPC/SEM/98/6 |
| Related Document(s) | IPC/SEM/98/6 ADD. |
|---|---|
| 相关会议 | IPC/SEM/98 |
| 发布日期 | 1998年11月20日 |
| English | Classification at the European Patent Office (EPO). Improvement of the IPC Revision Procedure |