 |
| |||
| united states patent office | |||
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| US Patent and Trademark Office (Gr. Sitnikov) | |||
| Patent Office | |||
| патентное ведомство США: 23 短语, 3 学科 |
| 专利 | 8 |
| 投资 | 12 |
| 法律 | 3 |
|
| |||
| united states patent office | |||
| |||
| US Patent and Trademark Office (Gr. Sitnikov) | |||
| Patent Office | |||
| патентное ведомство США: 23 短语, 3 学科 |
| 专利 | 8 |
| 投资 | 12 |
| 法律 | 3 |