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ES249913A1
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Procedure pertected for the manufacture of sulfuric acid from sulfur (Machine-translation by Google Translate, not legally binding)
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ES250053A1
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Procedure for the combined manufacture of sulfuric acid and ammonium sulphate (Machine-translation by Google Translate, not legally binding)
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ES239157A3
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Improvements introduced in apparatus for the spraying of liquids (Machine-translation by Google Translate, not legally binding)
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ES220933A1
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A procedure for the intensive manufacture of sulfuric acid (Machine-translation by Google Translate, not legally binding)
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ES204164A1
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An apparatus for the mechanical spraying of liquids (Machine-translation by Google Translate, not legally binding)
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ES204165A1
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Installation for gas deposition (Machine-translation by Google Translate, not legally binding)
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ES196892A1
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Procedure for catalytic reaction between gases, and corresponding chamber of contact
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ES196798A1
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Procedure for the intensive manufacture of sulfuric acid
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ES196882A1
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Procedure for the intensive production of sulfuric acid
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ES196787A1
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Procedure for the manufacture of sulfuric acid
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ES192916A1
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A procedure for the manufacture of sulfuric acid.
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