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490 MPa-level multi-grade integrated production method
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The operation of rolling method for controlling shape of 6mm or less thickness specification high strength steel
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The operation of rolling method for controlling shape of 500MPa level low alloy high strength steel plate
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600MPa grades of low yield strength ratio high-performance building steel plates and its production method
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A kind of Seawater corrosion-resistant steel plate and its production method
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A kind of inexpensive pre-hardening plastic steel plate for die and its production method of Nb reinforcing
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One kind plus the high polishability pre-hardening plastic steel plate for die of ni-type and its production method
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A kind of production method of think gauge high-strength steel plate
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A kind of concrete mould bases steel plate and its production method
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550MPa grades of Weather-resistance bridge steel plates of yield strength and its production method
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A kind of packaged type bilateral scissors carrying roller beam
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A kind of device for avoiding heat-treated steel plate from generating mass defect because of furnace hearth roller salamander
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A kind of 150mm thickness low compression ratio Z-direction performance steel plate and its production method
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360MPa grade high ductilities ship structure steel plate and low-cost manufacture method
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A kind of 600MPa grades of water-power steel plate and its production method
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The method for improving corrosionproof steel against sulfuric acid at dew point plate surface quality
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A kind of high-carbon resulfurizing series free cutting steel and its production method
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