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Optique et Precision de Levallois SA
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Optique et Precision de Levallois SA
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Application filed by Optique et Precision de Levallois SAfiledCriticalOptique et Precision de Levallois SA
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Publication of FR536374ApublicationCriticalpatent/FR536374A/fr
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
G02B23/18—Housings; Caps; Mountings; Supports, e.g. with counterweight for binocular arrangements
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Astronomy & Astrophysics
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General Physics & Mathematics
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Optics & Photonics
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FR536374D1921-04-151921-04-15Dispositif de montage à double articulation des corps parallèles d'une jumelle de galilée ou autre
ExpiredFR536374A
(fr)