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Double zinc-nickel cyclo-tetraphosphates and method of their preparation
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Double cobalt-copper cyclo-tetraphosphates and method of their preparation
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Method of double manganese-nickel cyclo-tetraphospates preparation
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High-temperature method of double manganese-nickel cyclo-tetraphosphates preparation
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Double manganese-nickel cyclo-tetraphosphates and method of their production
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Method of double cobalt-nickel cyclo-tetraphosphates preparation
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High-temperature method of double cobalt-nickel cyclo-tetraphosphates preparation
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