| Design recommendations for strength calculation of the heating system pipelines.
Нормы расчета на прочность трубопроводов тепловых сетей. |
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SanPiN 2.1.7.1322-03Public Health Requirements with Respect to … |
MISC Order 373 of 09-24-99Order 373 of 09-24-99 Water Conservation Zones … |
MISC ПОТ РМ-030-2007Interagency occupational safety and health … |