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Mejoras en la producción de fuerza motriz, proveniente de bisulfuro de carbono o sus compuestos, con los aparatos empleados para tal objeto, y utilizar dicha fuerza.
Un procedimiento para la recuperación de los vapores etéreo-alcohólicos diseminados por el aire en las fábricas de pólvora, fábricas de seda artificial e industrias similares.