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CN112269237A
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Large objective lens centering structure for airborne sighting device
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CN112269235A
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Iris diaphragm device for low-illumination camera and automatic iris diaphragm adjusting method
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CN112255798A
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Head-mounted penetrating type intelligent glasses optical system
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CN112255777A
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High-precision card type telescopic system
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CN112230405A
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Infrared large-view-field front-free fixed-group zoom optical system for eliminating cold image
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CN112269238A
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Day and night dual-purpose athermal lens with wide illumination range
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CN112269255A
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Ultra-high zoom ratio infrared zoom optical system
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CN112255752A
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Zoom lens barrel component assembling and adjusting method for improving imaging quality of thermal infrared imager
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CN112285683A
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Underwater expansion array for active directional sonar buoy
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CN112153528A
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Vector hydrophone of composite cymbal type piezoelectric ceramic transducer
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CN112255696A
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Infrared athermalization automatic detection equipment
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CN112200847A
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Method for enhancing matching and calibration of flight visual images
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CN112288879A
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Method for enhancing visual field on board
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CN112179488A
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Fast rotating and fixing device
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CN112284692A
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Adjusting device capable of expanding field of view of collimator
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CN112285942A
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Centering device for gluing combined lens and method for forming glued lens
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CN112285912A
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Wide-angle optical system based on single lens
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CN112285872A
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Laser mirror unit adjustment method applied to 1064nm
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CN112200759A
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Method for displaying terminal views of helicopter
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CN112284255A
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Stress-free assembly and adjustment auxiliary tool and assembly and adjustment method for reflector of photoelectric product
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