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Nickel-based precision, corrosion-resistant, heat-resistant alloys and powders. Methods of iron determination
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Chemical fibres and tow. Methods for determination of crimp
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United power system and isolated power systems. Relay protection and automation. Differential phase protection of power lines at voltage 110–220 kV. Testing
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Non-destructive testing. Quality control of engineering products by residual magnetization formed during their manufacture. General requirements
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