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Priority to PL19008176ApriorityCriticalpatent/PL101744B1/pl
Publication of PL101744B1publicationCriticalpatent/PL101744B1/pl
PL19008176A1976-06-011976-06-01Apparatus for measuring filtering coefficients of coloured photographic negatives in subtractive printing process
PL101744B1
(pl)