Russian standards PDF
Tubular rivet for one-sided riveting of thin-sheet construction metalworks. Specifications
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Superpure substances. Determination of impurities of chemical elements by atomic emission spectrometry methods in liquid-phase substances
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Building structures with thermal insulation. Method for determination of sanitary and chemical characteristics
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Residential and public buildings. Composition of energy efficiency indicators
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Explosive atmospheres. Part 15. Equipment protection by type of protection 'n'
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