FR728483A -
Device for measuring the pupillary distance and the height of the nose in relation to the horizontal plane of the center of the pupils
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Device for measuring the pupillary distance and the height of the nose in relation to the horizontal plane of the center of the pupils
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A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
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FR728483D1931-02-241931-02-24
Device for measuring the pupillary distance and the height of the nose in relation to the horizontal plane of the center of the pupils
ExpiredFR728483A
(en)
Device for automatically indicating the route of the path traveled or to be traveled by a vehicle in perfect progress in synchronism with the route itself