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Individual
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Individual
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Priority to ES106637ApriorityCriticalpatent/ES106637A2/es
Publication of ES106637A2publicationCriticalpatent/ES106637A2/es
ES106637A1928-02-281928-02-28Mejoras en la obtención de colores naturales produciendo vistas o proyecciones cinematográficas ordinarias.
ExpiredES106637A2
(es)