| 标题 |
Impact of the combination intensity and balance of patent policy on firm patent quality |
| 网址 | |
| DOI | |
| 其它 |
期刊:Economics of Innovation and New Technology 作者:Jingxian Gan 出版日期:2023 |
| 求助人 | |
| 下载 |
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(2025-6-4)