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| защита по периоду | |||
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period protection : 16 phrases in 8 subjects |
| Aviation | 1 |
| Ecology | 1 |
| Finances | 4 |
| Law | 1 |
| Makarov | 2 |
| Patents | 5 |
| SAP | 1 |
| United Nations | 1 |
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