Soils. Laboratory methods for determining organic content
Грунты. Методы лабораторного определения содержания органических веществ |
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SNiP 3.02.01-87Earthwork, Footings and Foundations |
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GOST 22845-85Electrical passenger and freight. Elevators. … |
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MCHS 52-101-2003Designing Concrete and Reinforced Concrete … |