TELEMETRIC DEVICE FOR THE DETECTION AND LOCATION OF OBJECTS OR BACK-BROADCASTING SUBSTANCES.
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Infrared headlamp
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Method and device for extracting a signal repeating in the noise of several signal frames, and their application to telemetry, and telemetry comprising the device.
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PERISCOPIC MAT WITH TELESCOPIC STRUCTURE
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Day and night driving episcope for armored vehicle
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Periscopic sight device
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Optical device for measuring small angles
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Fiber optic refractometer
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Two-stage electrohydraulic servo valve with mechanical return
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Rotating jack
JPS6078407A
Device for transmitting optical signal between two optical fiber
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Device for transmitting vehicle signals through n optical fibers to a single optical fiber or reciprocally
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Duplexer
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Optical fiber connection device and regulation system thereof
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Rifle scope associated with a shooting conduct
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Waveguide coupling device for wavelength multiplexing or demultiplexing
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Optical fiber switching device
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Binocular observation device
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Optical apparatus for controlling the interior of cylindrical chambers
