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Positive material identification of the main and welding materials and finished goods
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Regulatory document. Water hardness. Measurement technique using trilon B titrimetric method
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Recommendation. State system for ensuring the uniformity of measurements. Metrological characteristics of measuring instruments. Nomenclature. Principles for regulatory activity, identification and control
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Order of using welding equipment for manufacture, assembly, repair and reconstruction of production devices for hazardous industrial facilities (Regulation No. 102 of 19.06.03 of the State Mine Engineering Inspectorate (Gosgortekhnadzor) of the Russian Federation
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Recommended practice for the examination of industrial safety of conveyances of mine winding plants
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