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Lifting steel ladle beam capable of quickly replacing fixed pulleys
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980 MPa-grade cold-rolled complex phase steel for roll forming and preparation method thereof
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Refining system and refining method for crystal patterns on surface of aluminum-plated strip steel
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Tool for replacing diesel engine valve on site
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ESP (electronic stability program) production-based high-strength hot forming steel and method
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Three-dimensional modeling measurement method for base of sector section of slab continuous casting machine
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Steel strip for hot forming with tensile strength of 1900MPa and production method thereof
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