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Publication of FR1109949ApublicationCriticalpatent/FR1109949A/fr
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
G02B23/2407—Optical details
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Optics & Photonics
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FR1109949D1954-08-131954-08-13Dispositif d'observation à l'épreuve des projectiles légers
ExpiredFR1109949A
(fr)