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Low-cost large aperture imaging lens
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Low distortion fisheye lens
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Large-aperture lens
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A kind of optical lens barrel plastic mould
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Large-aperture high-low temperature confocal imaging system
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High-low temperature confocal optical device
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Large-aperture high-low temperature confocal optical device
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A kind of anti-reflection film of broadband ultra-low reflectance
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A kind of optics mode nickel plating technology
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A kind of strip Rework Technics
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A kind of copper components nickel plating process
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Large-aperture glass-plastic hybrid zoom lens
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Large-aperture high-low temperature confocal optical device
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