Observations on the Guidelines on the Presentation and Execution of Drawings under the Patent Cooperation Treaty (PCT)
| 文件编号 | PCT/WG/GPD/I/4 |
| 相关会议 | PCT/WG/GPD/I |
| 发布日期 | 1977年1月21日 |
| English | Observations on the Guidelines on the Presentation and Execution of Drawings under the Patent Cooperation Treaty (PCT) |