Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Negra Ind S A
Original Assignee
Negra Ind S A
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Filing date
Publication date
Application filed by Negra Ind S AfiledCriticalNegra Ind S A
Priority to ES0250724ApriorityCriticalpatent/ES250724A3/es
Publication of ES250724A3publicationCriticalpatent/ES250724A3/es
Un procedimiento perfeccionado para obtener con rapidez reproducciones fotográficasque se caracteriza esencialmente porque consiste en utilizarpara la estabilización de las sales de plataproductos que no atacan o que no atacan de una manera consecuente la plata metálica revelada.
ES0250724A1959-06-271959-06-27Un procedimiento perfeccionado apra la obtenciën con rapidez reproducciones fotograficas
ExpiredES250724A3
(es)