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G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
G01J4/00—Measuring polarisation of light
G01J4/02—Polarimeters of separated-field type; Polarimeters of half-shadow type
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FR825568D1937-08-131937-08-13Procédé et polarimètres pour déterminer les caractéristiques d'un liquide par mesure de son pouvoir rotatoire
ExpiredFR825568A
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