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. |
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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 |