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A device for the impregnation of a stream of carbon or of a mineral, with subsequent by the explosion of the compressed air admitted to the remainder of the liquid has acted on the stream, for working coal and other inorganic in mines
A device for the impregnation of a stream of carbon or of a mineral, with subsequent by the explosion of the compressed air admitted to the remainder of the liquid has acted on the stream, for working coal and other inorganic in mines
