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Browsing Полезные модели РБ by Subject
Now showing items 1-20 of 75
| Subject |
|---|
| air heaters [2] |
| aviation [3] |
| aviation technology [1] |
| baths [2] |
| building [46] |
| catamaran [2] |
| conditioning [2] |
| construction [27] |
| ecology [1] |
| electric power [1] |
| energetics [5] |
| energy [1] |
| energy efficiency [4] |
| energy saving [32] |
| environmental protection [2] |
| firebox [1] |
| gas supply [1] |
| heat engineering [23] |
| heat power engineering [17] |
| heat supply [5] |