ES59730A1 - Un procedimiento especial para la obtención de imágenes fotográficas, reticuladas o no, y mono o polícromas, sobre láminas metálicas.
- Google Patents
Un procedimiento especial para la obtención de imágenes fotográficas, reticuladas o no, y mono o polícromas, sobre láminas metálicas.
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Manuel Hidalgo
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Manuel Hidalgo
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Priority to ES59730ApriorityCriticalpatent/ES59730A1/es
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ES59730A1915-02-101915-02-10Un procedimiento especial para la obtención de imágenes fotográficas, reticuladas o no, y mono o polícromas, sobre láminas metálicas.
ExpiredES59730A1
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