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DE499849C
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Heat storage insert made from corrugated sheet metal
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DE507799C
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Gas liquefaction process
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DE486355C
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Rectifier and absorber for the separation of liquid-vapor and gas mixtures
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DE483330C
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Production of synthetic ammonia and nitric acid using helium from natural gas
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DE492431C
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Cold storage insert for gas separation plants
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DE505900C
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Gas liquefaction process
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DE492430C
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Jacket cooling on cold exchangers for the separation of gas mixtures
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DE496066C
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Process for separating gas mixtures
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DE490878C
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Process for breaking down gas mixtures, in particular air
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DE486549C
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Device for the condensation of fumes from air and gases through a sprinkler cooler
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DE480815C
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Process for removing frost from cold exchangers, in particular for gas separation plants
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DE493797C
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Device for decomposing gas mixtures using cold storage tanks
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