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Production method of cold-rolling structural galvanized steel strip resisting low-temperature impact
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Single air regenerative burner for roller hearth furnace
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Heat accumulating type heating furnace three-way change valve of improved sealing structure
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Converter dewatering apparatus capable of increasing dewatering effect of flue gas
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Automatic self-aligning flat head driving device for grinding working rolls
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Long-life steel billet conveying roller way for heating furnace
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Process for heating continuous casting slabs by regenerative roller-hearth type heating furnace
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