Federal Law of December 7, 2011, N 416-FZ. On Water Supply and Wastewater Disposal.
Федеральный закон от 07.12.2011 N 416-ФЗ. О водоснабжении и водоотведении. |
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SNiP II-23-81Steelwork. |
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GOST 25100-95Soils. Classification |
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MinTran 75Approval of the qualification requirements … |