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One-fire high-carbon chromium bearing steel hot-rolled wire rod and production method thereof
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High-performance fine-grained steel with uniform grains and preparation method thereof
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Method and device for prejudging abnormal operation of rolling line equipment and storage medium
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High-toughness 40Cr hot-rolled round steel and production method thereof
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Safety protective guard of universal tester
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Interlocking device of upsetting testing machine
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Portable detection device and detection method for surface quality of continuous casting billet finished product
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Wire feeding wheel device of packaging machine
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Low-aluminum high-titanium welding wire steel and smelting method thereof
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Anti-twist threaded steel roll assembly
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Production process for solving pitted surface on surface of low-carbon steel wire rod
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Altitude is finish rolling roller ring handling instrument in advance
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Special bearing pin for C-shaped hook
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Method for measuring contents of Al and Ti in calcium carbide
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Tungsten carbide composite roller and preparation method thereof
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Thing networking water gauge wireless transmission device
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Production method for reducing abnormal 50CrV tissue
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Novel energy-saving dust removal system
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Smelting process for producing 700 MPa-grade high-strength twisted steel
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Cooling bed skirtboard positioning system
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