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Anti-wear spiral channel of pre-reducing furnace
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High-temperature burden guiding device between pre-reducing furnace and final-reducing furnace
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Burden-guiding cone of pre-reducing furnace
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High-temperature charging stock distributor
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High-temperature cyclone dust extractor
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Pre-reducing furnace coal gas distributor
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Pre-reducing furnace for non-blast-furnace iron smelting
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High-temperature cyclone dust extractor water cooling abrasion-proof flow guiding device
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High-temperature dust reclaiming reusing blowing device
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Pressure swinging type steam spherical shape heat accumulator
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System and method for processing gas-holder location data
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Pre-heating and cooling-recycle system for quenching medium
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Compact blast furnace charging equipment
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Macrotype metal mold system for recovering thermal energy by cooling water
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Movable hood mechanical seal for converter vapourization cooling system
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Method for improving conticaster casting blank inner organization
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Large-scale shaft products vertical casting and repairing device and using method
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