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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
Application grantedgrantedCritical
Publication of FR707792ApublicationCriticalpatent/FR707792A/en
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
FR707792D1930-12-131930-12-13
Further training in optical instruments
ExpiredFR707792A
(en)