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Large-aperture small-sized high-low temperature confocal imaging system
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Large-aperture starlight-level unmanned aerial vehicle lens
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High-pixel large-angle infrared confocal optical lens
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Small-size large-aperture high-low temperature confocal optical device
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F12mm low distortion industrial lens
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Day and night high-low temperature confocal optical lens
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Large-target-surface high-definition fisheye lens
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F8mm low distortion industrial lens
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Large-target-surface high-low-temperature confocal ADAS optical device
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Fisheye vehicle-mounted lens, shooting optical device and vehicle-mounted camera
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Three-level safety protection circuit of heating system
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Film developing machine with taking function
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High-precision lens gap distance measuring device
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High-definition high-low temperature confocal optical device
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2G4P security protection camera lens
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