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Individual
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Individual
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Priority to ES13253ApriorityCriticalpatent/ES13253A1/es
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Un procedimiento industrial para la obtención del cine de toda clase de minerales que lo contengan aprovechando las mezclas de los demás minerales, el azufre de los sulfuros y los residuos de amoniaco y brea del gas de los hornos.
Una disposición de las hojas metálicas que constituyen las paredes interiores de las jaulas de extracción del aceite de granos u otras materias análogas.