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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EISBEIN WALTER
Original Assignee
EISBEIN WALTER
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Filing date
Publication date
Application filed by EISBEIN WALTERfiledCriticalEISBEIN WALTER
Priority to ES209144ApriorityCriticalpatent/ES209144A1/es
Publication of ES209144A1publicationCriticalpatent/ES209144A1/es
Procedimiento para producir negativos a partir de un material negativo primario fotográfico de color que incluye por lo menos dos capas de emulsión de haluro de plata