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United power system and isolated power systems. Relay protection. Inductive measuring current transformers for protection with a closed magnetic circuit. Methodology guidelines for determination of time to saturation during short circuits
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Refractory products. Basic requirements for methods of thermal shock resistance determination
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Textiles. Method for determination of the permeability of fabrics to air
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Welding of metals. Terms and definitions of basic concepts
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Mechanical vibration and shock. Characterization of the dynamic mechanical properties of visco-elastic materials. Part 2. Resonance method
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