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GB480117A
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Improvements in the manufacture and production of products having wetting, emulsifying and like properties
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GB480284A
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Improvements in the manufacture and production of vat dyestuffs of the dibenzanthrone series
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GB480539A
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Process for the manufacture of water-insoluble dyestuffs
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GB480442A
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Improvements in the cracking of hydrocarbon mixtures
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GB480334A
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Process for the electrolytic manufacture of hyposulphite
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GB480328A
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Manufacture of dyestuffs of the triarylmethane series
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GB480169A
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The manufacture of azo dyestuffs and preparations for the production thereof
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GB480249A
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Process for the manufacture of dyestuffs
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GB480162A
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Improvements in the manufacture and production of compounds of the perylene series
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GB464276A
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Process for the manufacture of condensation products
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US2066160A
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Production of nu-vinyl compounds
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GB448505A
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Manufacture of azo-dyestuffs
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GB365276A
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Improvements in the purification of gases containing hydrogen for use in the heat treatment of carbonaceous materials
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US2037229A
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Production of sulphonic acids
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