Russian standards PDF
Soils. Laboratory method for determining the overconsolidation characteristics
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Soils. Laboratory method for determining parameters of relaxation
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Regulations for maintenance of trunk condensate pipelines and product pipelines
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Melioration. Reclamation systems and structures. Classification
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Melioration. Types of melioration measures and works. Classification
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Reclamation systems and structures. Irrigation canals. Cross sections
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