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Refractory Composition and Body
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Process for the production of glutamic acid
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Beneficiation of langbeinite-containing materials
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Clarification of acidic phosphatic solutions
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Preparation of fluorine compounds
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Protein hydrolysis
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Improvements in or relating to process for the manufacture of defluorinated phosphatic materials
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Improvements in or relating to processes and apparatus for the concentration of mineral products from sylvinite and mixed sylvinite-langbeinite ores
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Method of purifying phosphate rock containing iron impurities
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