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Methodical instructions on maintenance of electromagnetic compatibility on the objects of power supply network equipment

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Norms for emergency margin of material and equipment for reconstruction of linear part of trunk gas pipelines of JSC Gazprom

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Structures with the use of reinforced cement mineral slabs AQUAPANEL® Indoor

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Instruction for visual control and measurements

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Rolled steel sections. I-beers with parallel adgus of flanges. Specifications

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Typical construction of buildings and structures of oil refineries and petrochemical plants

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