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Semiconductor silicon. Method of oxygen, carbon and nitrogen determination
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Low-voltage switchgear and controlgear. Part 5-5. Control circuit devices and switching elements. Electrical emergency stop devices with mechanical latching function
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Building materials and products. Method of determination of steady-state thermal conductivity and thermal resistance
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Rotating electrical machines and directly connected them nonelectrical ones. Shaft heights and control methods
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Electrical equipment and installation for a.c. voltages from 1 to 750 kV. General methods of dielectric tests
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