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Suspended ceilings of element wise assembling made of gypsum board and gypsum fiber sheets on wooden and metal frames for accommodation, public and industrial buildings

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

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Vessels, devices and process units for treatment and processing facilities of oil and gas containing hydrogen sulfide and causing corrosion cracking. Specifications

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Company standard. Corrosion protection of bridge metal structures by staining method

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Seams of butt, fillet and tee welded joints of vessels and apparatus operating under pressure. Ultrasonic testing technique. With AMD 1-2009, 2-2012, 3-2020

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

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