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Individual
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Priority to ES0248427ApriorityCriticalpatent/ES248427A1/es
Publication of ES248427A1publicationCriticalpatent/ES248427A1/es
Procedimiento de fabricación de pantallas cinematográficas, caracterizado por procederse al pintado a pistola a presión con el color deseado de la superficie lisa o parafinada de unos fragmentos de plancha, perforada con pluralidad de orificios distribuidos regularmente y obtenida por prensado de una pasta formada por un conglomerado de fibras vegetales trituradas, presentando la otra cara de dicha plancha, una rugosidad regular.
ES0248427A1959-04-041959-04-04Procedimiento de fabricaciën de pantallas cinematograficas
ExpiredES248427A1
(es)