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A kind of yield strength 420MPa levels rare earth Weather-resistance bridge steel plate and its production method
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CN107442189A
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A kind of perishable coal detection sample storage combined unit
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A kind of sintering magnesian flux and the evaluation method of iron ore reactivity worth
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CN107368646A
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A kind of numerical simulation calculation mixes the verification method of steel billet result
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CN107389397A
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A kind of preparation method of manganese metal chemical analysis sample
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CN107385142A
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A kind of smelting process of high strength low carbon bainibic steel
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CN107385308A
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The cooling controlling and rolling controlling process of railway high-strength wearable shellfish horse heterogeneous structure rail
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CN107243513A
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The method for reducing the emulsification concentration of five frame connection rolling machine group emulsion of rolling mill system
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CN107385148A
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A kind of control method of high-grade pipe line steel non-metallic inclusion
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CN107378239A
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A kind of method of the low grade non-oriented silicon steel of laser welder
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CN107385152A
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A kind of 260 tons of ladle Double bottoms blow location arrangements
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