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High-strength steel bar and method for controlling power strength of concrete civil defense structure through high-strength steel bars
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Processing method for chrome molybdenum low alloy prestressed steel reinforcement connection joint
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Steel strand wire rod with rare earth element coating and production method thereof
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Prestressed reinforcement with low yield ratio, and heat treatment method therefor
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Low-carbon alloy steel for anchor rod and heat treatment process
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Steel for hydrogen corrosion-resistant high-speed railway prestressed pull rod and heat treatment method
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High-strength construction steel plate and production method thereof
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Method for processing wear-resistant-type reinforcing steel bar connecting sleeve
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Processing process of wear-resisting anti-impact type pile foundation steel protective barrel
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Alloy material for high-strength steel pull rod and treatment technology thereof
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High-strength pre-stressed steel strand with coating and manufacturing method of steel strand
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Tensile resistant PC steel rod and heat treatment method
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Manufacturing technology of shock-proof refractory prestressed steel bar
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Corrosion-resistant alloy material for prestressed steel strand and processing process of corrosion-resistant alloy material
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Clamp nut casting technology based on casting and rolling combined forming
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High-strength steel drawbar and heat treatment method thereof
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