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Отображаемые элементы 1-20 из 83
| тематика/ключевые слова |
|---|
| agriculture [1] |
| building insulation [2] |
| cleaning of drains [5] |
| climatology [1] |
| coating agents [1] |
| construction materials [1] |
| construction мaterials [1] |
| drainage [1] |
| draining [1] |
| ecology [1] |
| economy [1] |
| electrolysis [1] |
| environmental protection [2] |
| galvanotechnics [1] |
| gas turbines [1] |
| geoecology [1] |
| heating of buildings [1] |
| industrial microbiology [1] |
| irrigation [1] |
| land reclamation [1] |