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Societe dOptique et de Mecanique de Haute Precision
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Societe dOptique et de Mecanique de Haute Precision
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Application filed by Societe dOptique et de Mecanique de Haute PrecisionfiledCriticalSociete dOptique et de Mecanique de Haute Precision
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Publication of FR514590ApublicationCriticalpatent/FR514590A/en
G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
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General Physics & Mathematics
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Optics & Photonics
(AREA)
FR514590A1917-03-171917-03-17
Optical device for glasses and binoculars
ExpiredFR514590A
(en)