ES24434A1 - Un procedimiento químico-mecánico para la obtención de cemento, cuya invención denomina sistema Sunyer para la fabricación de cemento.
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Un procedimiento químico-mecánico para la obtención de cemento, cuya invención denomina sistema Sunyer para la fabricación de cemento.
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ES24434A1899-06-281899-06-28Un procedimiento químico-mecánico para la obtención de cemento, cuya invención denomina sistema Sunyer para la fabricación de cemento.
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