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GB724248A
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Improvements relating to the recovery of sulphur from hydrocarbon gas mixtures
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ES209546A1
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A procedure for the extractive crystallization of a hydrocarbon mixture (Machine-translation by Google Translate, not legally binding)
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GB733878A
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Improvements relating to telemetering
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GB717483A
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Process for the recovery of sulphur from hydrogen sulphide
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GB717482A
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Process for the recovery of sulphur from hydrogen sulphide
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GB717026A
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Process for the recovery of sulphur from hydrogen sulphide
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DE930101C
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Process for separating oil from oily clay
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DE921934C
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Process for the production of aldehydes
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GB716068A
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Improvements in or relating to the extractive crystallisation of mineral oils
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GB704052A
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Improvements in or relating to smokemeters
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GB704439A
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Improvements relating to the extractive fractionation of hydrocarbon oils by formation of urea adducts
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GB721302A
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Improvements relating to the hydrogenation of petroleum residues
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GB721301A
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Improvements in or relating to the separation of acetic acid from aqueous mixtures of organic compounds by distillation
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GB721298A
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Improvements in or relating to the production of iodine-containing compositions
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GB704714A
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Improvements relating to welders' helmets
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DE924885C
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Process for the regeneration of mercaptan containing caustic alkali solutions
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GB721361A
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Improvements in or relating to the production of aldehydes and acetals
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GB721956A
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Improvements in or relating to the production of oxygen-containing organic compounds
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GB719640A
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Improvements relating to catalysts
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GB719231A
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Improvements relating to the desulphurisation of petroleum hydrocarbons
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