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противопожарный водопровод; магистральный кольцевой противопожарный водопровод (preferred version to be used in all new drawings) |
fire- fighting main: 10 phrases in 5 subjects |
Electronics | 1 |
Firefighting and fire-control systems | 1 |
General | 2 |
Sakhalin | 4 |
Sakhalin R | 2 |