| Construction of trunk pipelines and flowlines. Communication and power lines.
Строительство магистральных и промысловых трубопроводов. Линии связи и электропередачи. |
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GOST 17.2.2.05-97Standards and methods for determining emissions … |
MinInd 115On approval of the regulations for the … |
RusRWS ЦЭ-462Railway traction electrical supply system … |