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Espona Gras Y Cia
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Espona Gras Y Cia
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Un procedimiento y aparatos propios para transformar en trabajo el calor desarrollado por la combustión empleando los fluidos como órganos de transmisión de movimiento.
Un nuevo procedimiento para teñir las fibras textiles, hilos o tejidos por medio de los resultados de la reacción mutua de la anilina o sus sales y de los bi-cromatos solubles.