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preferencyjny | środek
pozataryfowy
| środek | |
| math. | aritmeetiline keskmine; keskväärtus; keskmine |
| preferencyjny: 19 phrases in 6 subjects |
| Banking | 2 |
| Customs | 9 |
| Economy | 4 |
| Finances | 2 |
| Insurance | 1 |
| Mathematics | 1 |