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| естественный каучук; растительный каучук | |||
| натуральный каучук; природный каучук; каучук | |||
| natural rubber: 38 phrases in 11 subjects |
| Construction | 1 |
| General | 1 |
| Leather | 1 |
| Makarov | 4 |
| Medical | 1 |
| Military | 1 |
| Name of organization | 3 |
| Nuclear physics | 1 |
| Polymers | 17 |
| Technology | 7 |
| United Nations | 1 |