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Sequential and selective flotation of sulfide ores
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Method and apparatus for the pyrometallurgical treatment of finelydivided materials
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Process for preparing a lead oxide composite
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Method for the preparation of high surface area lead oxide composition
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High surface area lead oxide composite and method for making the same
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High-precision, fine-detail forging process
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Method of fabricating stable wrought lead-calcium-tin alloys by means of cold working
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Procedure to separate mercury from an industrial gas containing sulfurous anhydride. (Machine-translation by Google Translate, not legally binding)
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Method for removing mercury from industrial gases
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Method of removing mercury from sulfuric acid
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Tiltable coupling
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Battery electrode grids and method of making same from a lead-calcium-lithium-tin alloy
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Method for removing mercury from industrial gases
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Bicharge zinc oxide
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Stable wrought lead-calcium and lead-calcium-tin alloys
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