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GB333553A
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Process for converting high boiling mineral oils containing unsaturated compounds into lower boiling hydrocarbons with simultaneous decoloration
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GB335952A
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Process for decolorizing mineral oils and oil distillates
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GB334833A
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Process for decolourizing hydrocarbon oils
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GB310923A
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Process for preparing bituminous masses
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GB330565A
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Process for simultaneously obtaining refined mineral oils and pure bitumen from crude mineral oils
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GB310922A
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Process for covering roads and tiles and for manufacturing tiles, plates, blocks and the like
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DE554803C
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Process for decolorizing mineral oils and their cracking and distillation products
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DE530215C
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Process for the production of cold plastic bituminous, non-emulsion-like masses for road construction u. like purposes
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