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SU1444923A1
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A.c. voltage converter
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Device for controlling d.c. voltage regulator
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Device for monitoring operating duty of d.c. electric machine
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Master control of power reculator of electric duty of arc furnace
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Arrangement for furnace power regulator
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SU1136330A1
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Power set-point device for regulator of electric conditions of electric-arc furnace
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Power controller for electric-arc furnace
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SU924923A1
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Automatic regulator of electric arc furnace power
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Device for moving electrodes of three-phase electric arc furnace
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Power setter of regulator of electric arc furnace electric mode
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SU900393A2
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Device for determining dc electric motor operating mode
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Electric arc power regulator
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SU787133A2
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Apparatus for producing workpiecies of wire-cloth filters
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SU729801A1
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Device for determining the operating mode of dc electric machine
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SU698174A1
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Electric arc furnace power output regulator
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SU710755A1
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Mould surface drying apparatus
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SU694757A2
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Automatic electrode displacement controller for still meltng furnaces
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SU678733A1
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Electric arc furnace power regulator
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SU678732A1
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Electric arc furnace power regulator
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SU654365A2
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Device for automatic switching-off of no-load voltage
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