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专利与 商标 : 14 phrases in 11 subjects |
| Advertising | 2 |
| Business | 2 |
| Commerce | 1 |
| Economics | 1 |
| Electronics | 1 |
| General | 1 |
| International trade | 1 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Textile industry | 2 |
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