DE615523C
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Process for cleaning alkaline solutions
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DE671994C
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Process for the saccharification of cellulose-containing substances
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DE577607C
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Process for removing foreign metals from alkali
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DE637909C
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Process for the production of higher alcohols from ethyl alcohol
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DE569901C
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Device for taking material samples from digesters, in particular pulp digesters
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DE574148C
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Headbox on paper machines with a device for swirling the stock water
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DE565305C
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Process for preparing sulphite waste liquor for fermentation purposes
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DE511662C
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Device for cleaning the grate members of a traveling grate
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DE440337C
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Production of sulphurous acid for sulphite liquor production
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DE427540C
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Utilization of sulphite waste liquor
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DE464333C
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Apparatus for making films
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DE405058C
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Process for the recovery of the amount of liquid and gas escaping from pulp digesters
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DE412697C
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Processing of sulphite waste liquor
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DE405059C
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Process for obtaining a cellulose material that is particularly suitable for use in the chemical industry and for the production of special papers
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DE336535C
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Process for the production of the purest cellulose with a cotton or wool-like texture from vegetables using acidic sulphite liquors
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