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GB426805A
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Improvements in the manufacture and production of printing inks
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GB383737A
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Improvements in the manufacture and production of anthraquinone derivatives
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GB382755A
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Improvements in the manufacture and production of conversion products of rubber
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GB380615A
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An improved process for the conversion by destructive hydrogenation of solid carbonaceous materials into valuable liquid products, especially benzines
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GB382718A
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Improvements in the manufacture and production of wetting, cleansing, dispersing andlike agents
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GB383691A
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Improvements in the manufacture and production of magnetic materials
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GB382368A
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Improvements in the manufacture and production of mixed fertilisers containing ammonium nitrate which are stable when stored
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GB380242A
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Improvements in the manufacture and production of electrodes for electric storage batteries
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GB382690A
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Improvements in the electric arc treatment of vapourised carbonaceous materials
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GB382301A
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Improvements in the manufacture and production of condensation products
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GB382295A
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Improvements in the manufacture and production of shaped articles from masses containing silicon
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GB378604A
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Improvements in the manufacture and production of dyestuffs
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GB380164A
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Improvements in and apparatus for the separation of hydrocarbons from gases containing the same together with hydrogen
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GB379014A
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Improvements in the manufacture and production of hydrogen from hydrocarbons
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GB375972A
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Improvements in the manufacture and production of compound glass
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GB380112A
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Improvements in the treatment of textile materials
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GB374250A
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Improvements in the recovery of molybdenum, tungsten and vanadium from ores or the like
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GB379335A
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Improvements in carrying out catalytic reactions
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GB377776A
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Improvements in and apparatus for the improvement of waxes and substances of waxy consistency
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GB375948A
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Improvements in the recovery of molybdenum from mixtures of molybdenum or molybdenumcompounds with other metals or metal compounds
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