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Procedure for the preparation of magnesite containing dolomite and limestone spat, by the method of flotation foaming. (Machine-translation by Google Translate, not legally binding)
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Process for eliminating Altoel emulsions by splitting
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Method of making spongy substances hydrophobic
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Method of insulating chiefly underground pipes by means of packed filling material
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Manufacture of a means against contamination of ground and surface water
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Process for the classification of ores, coal and other minerals by sieving and sifting with the aid of chemical reagents
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Process for flotation treatment of fluorspar
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Process for the precipitation of fine lignite dust by wet separation using a rotating washer
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Method for classifying coal by sieving and air sifting
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Process for separating coal, ore and other minerals using the wind sifter process
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Flotation process for processing coal
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Procedure for the flotation of magnesite minerals containing dolomia (Machine-translation by Google Translate, not legally binding)
