Soils. Laboratory methods for determining maximum density
Грунты. Метод лабораторного определения максимальной плотности |
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GD Постановление 802 от 30.09.2011Government of the Russian Federation. … |
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GOST 19281-89Rolled steel with increased strength. General … |
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SN 1946-78Health Regulations for Designing and Operating … |