ES101664A1 - Un método perfeccionado para la obtención de efectos de color en los materiales de construcción a base de cementos y otros.
- Google Patents
Un método perfeccionado para la obtención de efectos de color en los materiales de construcción a base de cementos y otros.
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ES101664A1927-03-031927-03-03Un método perfeccionado para la obtención de efectos de color en los materiales de construcción a base de cementos y otros.
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