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DK355C
(en)
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Flame Furnace for Concentration of Sulfuric Acid, Phosphoric Acid and Other Liquids.
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DK12527C
(en)
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Procedure for Preparation, Concentration and Simultaneous Purification of Sulfuric Acid.
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DK5517C
(en)
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Procedure for the Oxygenation of Ammonia to Nitric Acid and Other Oxygen Oxygen.
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ES35108A1
(en)
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A new procedure for the concentration of sulfuric acid.
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DK9746C
(en)
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Procedure for Concentration of Nitric Acid by Electrolysis.
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DK5956C
(en)
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Process for the production of nitric acid or nitric acid.
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DK823C
(en)
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Method for Preparation of Ozone Solutions.
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DK4465C
(en)
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Cooling tower for cooling condensation water and other liquids.
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ES18317A3
(en)
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A furnace for the concentration of sulfuric acid at 66 degrees "Beaumé".
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DK660C
(en)
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Mixing pipes for gas burners.
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DK736C
(en)
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Device for Self-ignition of Gas burner.
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DK2882C
(en)
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Process for the production of sulfuric acid or sulfuric anhydride.
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DK12282C
(en)
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Procedure for the production of pure nitric acid in commercially available concentration of nitrous gases.
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DK1779C
(en)
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Procedure for the production of oxalic acid and oxalic acid salts.
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DK1410C
(en)
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Procedure for the Production of Oxalic Acid.
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DK7140C
(en)
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Procedure for the production of nitric acid from air.
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DK9681C
(en)
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Procedure for Complete Recovery of Ammonia from Cold Distillation Gas.
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DK958C
(en)
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Method of sterilization Evaporation of milk and other liquids.
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ES44202A1
(en)
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A procedure for the simultaneous manufacture, concentration and purification of sulfuric acid.
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DK1347C
(en)
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Procedure for the Production of Ammonia.
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DK870C
(en)
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Procedure for the production of chromium iron and steel.
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CH18187A
(en)
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Roasting furnace, set up to produce sulfuric anhydride directly from the roasting gases
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DK1233C
(en)
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Procedure for the Manufacture of Furfuroid from Mask and Bæerme.
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ES12887A1
(en)
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The improvements introduced in the apparatus for the evaporation of sulfuric acid by more or less heated gases.
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DK6549C
(en)
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Method of Making Condensed Milk.
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