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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES1847000748ApriorityCriticalpatent/ES748H1/es
Publication of ES748H1publicationCriticalpatent/ES748H1/es
Verfahren zur Herstellung von photographischen Aufnahmematerial, welches gegen die aktinisch wirkenden Strahlen von Kerzen-, Petrol-, Glühlicht und dergleichen Licht unempfindlich ist