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Publication of FR1011060ApublicationCriticalpatent/FR1011060A/fr
G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
G01J1/00—Photometry, e.g. photographic exposure meter
G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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FR1011060D1948-11-301948-11-30Perfectionnements aux procédés de photographie et cinématographie en couleurs
ExpiredFR1011060A
(fr)