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| 开放许可证 | |||
| 公开许可证; 无限制许可证 | |||
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| 公开许可证; 无限制许可证 | |||
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open licence : 8 phrases in 6 subjects |
| Aviation | 1 |
| Business | 1 |
| Commerce | 3 |
| Economy | 1 |
| Technology | 1 |
| Textile industry | 1 |
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