Engineeering surveys on the continental shelf
Инженерные изыскания на континентальном шельфе. |
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NPB 239-97Ventilation Ducts. Test Method of Fire Resistance |
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Gosnadzor Приказ N 463 от 01.08.2012Rostekhnadzor Order N 436 of August 1, 2012. … |
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GD 843On the Measures for Improvement of Conditions … |