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SU873481A1
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Device for regulating ore-melting furnace power
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SU864602A1
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Automatic power control device of arc electric furnace
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SU864601A1
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Devce for automatic control of power of arc electric furnace
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SU775727A1
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Device for stabilized current supply of technological plant
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SU873480A1
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Electric arc furnace power regulator
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SU873479A1
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Electric arc furnace power automatic regulator
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SU873478A1
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Device for determining potential gradient in electric arc furnace arc coloumn
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SU873477A1
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Device for regulating ore-melting furnace power
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SU873475A1
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Electric arc furnace power regulator
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SU873476A1
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Automatic regulator of three-phase electric arc furnace power
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SU873474A1
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Device for regulating electric mode of three-phase ore-melting electric furnace with non-conductive hearth
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SU873473A1
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Three-phase electric arc furnace power regulator
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