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DE729556C
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Device for automatically keeping the flow rate constant when removing chlorine gas from a container filled with liquid chlorine
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DE743409C
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Method and device for indicating the liquid level in containers by means of a dye paint
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DE724103C
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Method and device for cleaning swimming pool water
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DE708764C
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Process for the production of caustic soda
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DE698596C
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lye
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DE704483C
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Device for treating streams of absorption fluids with liquid chlorine
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DE702768C
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Process and device for the continuous production of aqueous magnesium hypochlorite solutions
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DE726383C
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Dosing and mixing device for separately flowing gases or vapors and liquids intended for chemical reactions
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DE682454C
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Process for cleaning alkali hydroxide solutions
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DE704880C
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Process for the production of bleached green soaps, soft soaps or potash soaps
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DE673006C
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Process for the production of alkali hydroxides from alkali chlorides
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DE690992C
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Process for the continuous production of aqueous solutions with an active chlorine content
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DE628534C
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Device for direct introduction of liquid chlorine into flowing absorption liquids, in particular alkaline lyes
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DE659220C
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Process for pretreating bast fibers for an oxygen-chlorine combination bleach
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DE335532C
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Process for the production of pure ammonia by cooling the mother liquors of the ammonia soda production
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