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Tubes for boiler and heat exchanging equipment. Part 2. Seamless steel tubes for pressure purposes more 6,4 MPa and temperatures exceeding 400 °C. Specifications
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Electronic aids for communication and information. Operational documents. Types and rules of implements
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Measurement of flow in closed conduits. Ultrasonic meters for gas. Technical and metrological requirements
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Textiles. Cloth. Methods for determination of resistance to blend
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Unified system of corrosion and ageing protection. Corrosion inhibitors of metals in water-petroleum environments. Methods of protective ability evaluation
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