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DE719439C
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Process for obtaining solid carbon print extracts
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DE603640C
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Process for controlling the calorific value and the density of coal distillation gases
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DE663497C
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Process for obtaining extracts from all kinds of coal, such as hard coal and lignite or peat
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DE590555C
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Process for regulating the calorific value and the density of carbon distillation gases
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DE691529C
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Process for the splitting hydrogenation of extracts from solid fuels
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DE687898C
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Process for the splitting hydrogenation of extracts from solid fuels
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DE633693C
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Process for the splitting hydrogenation of extracts from solid fuels
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DE632631C
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Process for the production of hydrocarbon oils from solid, carbonaceous material
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DE565948C
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Process for the purification of long-distance haulage coal distillation gases
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DE567821C
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Process for the operation of gas remote supply systems with a gas with an equally high calorific value
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DE486447C
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Process for melting down raw materials or mixtures thereof, especially for glass production
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