The typical album A11-2011 "run the cables in the block of sewage with the use of double wall corrugated pipe. Laying of cables with voltage up to 35kV in the trenches with the use of double wall corrugated pipe"
The typical album A11-2011 "run the cables in the block of sewage with the use of double wall corrugated pipe. Laying of cables with voltage up to 35kV in the trenches with the use of double wall corrugated pipe"
