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Regulatory document. Water hardness. Measurement technique using trilon B titrimetric method

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Design guidelines for urban public utility electrical networks (with amendments as of 29.06.1999)

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Guidelines on the protection of 6-1150 kV electrical circuits against lightning and internal overvoltages. All 3 parts

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Regulation on process procedures for manufacturing at chemical complex enterprises (2000)

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RF Government Resolution No. 262 dated 13.03.2019 'On approval of the Rules for the creation and operation of an automatic control system for emissions of pollutants and (or) discharges of pollutants'

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RF Government Resolution No. 815 dated 28.05.2021 (rev. as of 20.05.2022) 'On approval of a list of national standards and code of regulations (parts of these standards and codes), the application of which on a mandatory basis ensures that the requirements of Federal Law 'Technical regulation on safety of buildings and facilities' are met

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