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| сажевый оттиск | |||
| непроницаемый для дыма | |||
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| дымонепроницаемый | |||
| smoke-proof: 5 phrases in 4 subjects |
| Construction | 1 |
| Firefighting and fire-control systems | 1 |
| Public utilities | 2 |
| Security systems | 1 |
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