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Integrated wastewater biological treatment reactor
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Coking wastewater short-cut nitrification and denitrification treatment technology
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Galvanized dual-phase steel for 500 MPa class car and production method
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600 MPa grade galvanized dual-phase steel for saloon car and production method of 600 MPa grade galvanized dual-phase steel
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Galvanized dual-phase steel for 800MPa grade cars and production method
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Impulse type low-temperature pipeline heating and dredging device
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Non-return device for waste material sliding groove
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Fluidized solid material sampling device and sampling method
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Lubrication protecting device for working roll bearing at cleaning section
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Intermediate relay capable of automatically cutting off load during auxiliary point adhesion
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Continuously-cast slab surface scale breaking device and method
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Continuous annealing unit phosphorus-containing high-strength steel anti-deviation method
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Vertical-type loop dolly horizontal monitoring device
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Reverse sweeping device for belt conveyor
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Coal blending coke making method capable of controlling shrinkage degree of as-fired coal
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Device and method for adding desulfurization ash to slag before grinding
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Gas chromatography analytical device and gas chromatography analytical method for high-purity oxygen
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Universal regulating valve PID control method
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Decyanation method of blast furnace gas washing water
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