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Patent Certificate
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High-resolution wide working distance fixed-focus machine vision lens
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High-gloss flatness detection device
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Light source
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Backlight device capable of emitting light in both directions
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Optical system of large target surface machine vision lens
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Linear light focusing device
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Wide working distance line scan machine vision lens
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Circuit for suppressing up-current surge current
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Backlight source device for eliminating black shadow
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Ring light source device capable of changing projection angle
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Fast response controller for constant current circuit
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Component package pad
