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ES32275A1903-07-291903-07-29Un procedimiento perfeccionado para el tratamiento de los residuos de los hornos de fundición y otras escorias.
ExpiredES32275A1
(es)
Fabricación del coque por el sistema Dativo García aprovechando todos los residuos de carbones minerales que arrastran las aguas procedentes de los hornaderos y escombreras de las empresa hulleras.