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JP2009228112A
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METHOD OF MANUFACTURING LEAD ALLOY ELECTRODE HAVING beta-PbO2 COATING FILM
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High-purity zinc and its production
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Automatic carrying and treating device for negative electrode plate
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JPH06212304A
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Method for smelting zinc
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Removal of arsenic from acidic solution containing arsenic and iron
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Sulfur refining method
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JPH06212472A
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Zinc electrolytic refining method and device therefor
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JPH04310280A
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Separation and recovery of zinc and manganese from waste dry battery
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JPH04311541A
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Wet-type treating method for zinc concentration and zinc leaching residue at the same time
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JPH0452291A
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Method for refining zinc
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JPS6333590A
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Method for insulating and coating peripheral edge part of electrolytic cathode
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Leveling method for lead alloy plate
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Casting and cooling method for metal
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JPS6221717A
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Production of high-quality iron oxide powder for magnetic material
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Production of iron oxide powder for magnetic material
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JPS6221716A
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Production of high-quality iron oxide powder for ferrite magnetic material
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JPS60260404A
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Method for removing mercury from sulfuric acid
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JPS5959891A
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Anode for electrowinning metal
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JPS5661642A
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Full-automatic polarographic analyzer
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JPS5474272A
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Method of removing arsenic from aqueous solution
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