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ARSENE SAUTERAUD
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ARSENE SAUTERAUD
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Application filed by ARSENE SAUTERAUDfiledCriticalARSENE SAUTERAUD
Application grantedgrantedCritical
Publication of FR480586ApublicationCriticalpatent/FR480586A/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
G02B23/22—Underwater equipment
Landscapes
Physics & Mathematics
(AREA)
Astronomy & Astrophysics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
FR480586D1915-05-291915-05-29Appareil de vision sous l'eau
ExpiredFR480586A
(fr)