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Device for improving clarity of sedimentation tank of drying kiln
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Method for removing fine particles from zinc sulfate solution
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Lead-zinc oxide ore recycling harmless treatment system and method
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Method for treating zinc hydrometallurgy purification slag by fuming furnace
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Method for removing arsenic from zinc sulfate solution after germanium precipitation of zinc oxide smoke leachate
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Automatic change and file arrangement information system
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Hardness reduction treatment method for lead-zinc smelting industrial wastewater subjected to standard treatment
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Device convenient to heavy pipeline of tunnel installation in pit
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Device convenient to installation and recovery are laid to heavy cable of gallery in pit
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Down-hole fixed mine car bolt anti-unhooking interlocking device
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A method of clinker is prepared using low-grade lead Zinc oxide
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A kind of method of low-grade lead Zinc oxide resource utilization
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Valuable metal high efficiency extraction and its minimizing processing method in germanic zinc leaching residue
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A method of handling germanic zinc leaching residue
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A kind of processing method of leaded, zinc, cadmium, arsenic ammonia nitrogen in high density acid waste water
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A method of silicon in removing zinc oxide fumes leaching process
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A kind of achievable ISA furnace smelts the technical application of cigarette and sulfuric acid heating
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A method of directly blown low-grade oxidation lead zine ores with fuming furnace
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A kind of method for floating of dolomite and calcite type sulfidation-oxidation Pb-Zn deposits
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A kind of method that X-ray fluorescence spectra analyzes fluorine chlorine in smelting smoke dust
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