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GB638926A
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Improvements relating to the production of magnesium oxychloride cementitious compositions
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US2423343A
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Process of degreasing aluminum and magnesium surfaces
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US2371647A
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Degreasing process
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US2371646A
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Degreasing process
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US2371645A
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Degreasing process
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US2415797A
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Preparation of pure phosphoric acid
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US2371644A
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Degreasing process
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US2369485A
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Process for producing unsaturated chlorinated hydrocarbons
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US2427642A
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Rapidly soluble tetrasodium pyrophosphate
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US2366546A
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Method of decolorizing aqueous solution of alkali metal hydroxides
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US2326024A
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Evaporator
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US2326021A
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Method of brominating wool
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US2335374A
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Manufacture of high-density periclase
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US2338408A
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Making phosphoric acid of high purity
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US2338407A
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Phosphoric acid manufacture
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US2335373A
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Treating wet solids
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US2319261A
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Stabilizing chlorinated hydrocarbons
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US2220125A
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Degreasing
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US2219726A
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Activated magnesia and method of making
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US2264790A
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Purifying water and sewage
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