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Method for visually evaluating quality of electrotinning solution on line
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Cooling device for high-temperature instrument in annealing furnace
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Online roll surface cleaning device
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Cooperative roller coater and coating method
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Method and device for passing weld joint of temper mill
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Galvanizing furnace nose atmosphere on-line measuring device
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Device for eliminating adding spots of fluxing solution and fluxing method thereof
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Coal gas filter equipment suitable for annealing stove
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Carrier roller for preventing strip steel from being scratched
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Annealing line cleaning section online roll changing device and operation process thereof
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Normalizing treatment method for preventing non-oriented silicon steel from being internally oxidized
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Automatic deviation prevention device and method for furnace roller of annealing furnace
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Tin plate tire seal defect detection device
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Adjustable saddle
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Device for controlling floating of slitter edge wires of circle shear
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Device and method for automatically controlling level of pit sewage
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Non-oriented silicon steel for high-speed drive motor and manufacturing method thereof
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Continuous annealing stove roller grinding device
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Plate shearing detection and release device and method
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Electric welding machine and use method thereof
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