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Rubber plug fine-adjustment alignment connecting device
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Special lifting appliance for hot saw blade and using method thereof
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Method for treating iron-containing solid waste by using sintering process
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Method for rapidly processing belt accident of coal preparation system
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Method for coking and blending coal by utilizing Yanan gas coal
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Fault processing method for coal gas purification electric tar precipitator
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280 MPa-grade cold-rolled low-yield-ratio stamping steel for automobile structure and production method thereof
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Low-cost Q420D thick steel plate and production method thereof
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Bar speed measuring roller device
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Refined white slag and synthetic slag and using method thereof
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Production method of low-cost 490MPa bridge steel plate with yield strength
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REMOM method for improving impact toughness of S355ML flange steel
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La-Zn thin coating hot-dip galvanized steel strip and preparation method thereof
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Method for paving ore transportation highway
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Production method of low-cost Q460C thick steel plate
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CN112011348A
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Emergency stop device and method for searching dropped articles of large crusher during working
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Optimization device and optimization method for interlocking process of batching belt system
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Vegetation recovery method suitable for refuse dump in alpine and arid regions
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Preparation method for producing H40 steel by rare earth cerium micro-alloying
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Hot-rolled steel strip for export Nb + Mo component system X42M pipeline steel and preparation process thereof
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