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DE362458C
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Process for separating the asphalt bodies from crude oils or crude oil products
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DE484970C
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Process for the continuous fractionation of petroleum, tars and the like. like
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DE379964C
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Process for the continuous evaporation of mixtures containing hydrocarbons
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DE326929C
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Process for the production of liquid ammonia from ammonia vapors containing water vapor
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DE332953C
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Device for the constant expulsion of the vaporous components from semi-liquid reaction masses
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DE351082C
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Process for the decomposition of volatile, in particular slightly volatile liquid mixtures
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DE384642C
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Process for condensing vapor mixtures formed from bitumen or cellulose-containing substances and breaking them down into fractions
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