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Preparation device and preparation method of optical fiber preform
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Supporting assembly for depositing quartz loose body
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Support for depositing quartz loose body
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Device and method for monitoring whether sintering of optical fiber preform is abnormal
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Fully-synthetic low-loss single-mode optical fiber
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Fluorine-doped quartz tube suitable for large-size optical fiber preform and preparation method thereof
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Helium-chlorine mixed gas circulation system for sintering optical fiber perform
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Sintering protection device for OVD (over-voltage-reduction) method deposition loose body
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Manufacturing method of bending-resistant optical fiber and optical fiber corresponding to manufacturing method
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Preparation method of ultralow-loss optical fiber and optical fiber corresponding to preparation method
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Furnace core pipe for sintering optical fiber preform rod and replacement method thereof
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Bending insensitive single mode fiber
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A kind of VAD method hoisting control device and corresponding control method
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A kind of laser micro-vibration sensing record regulating device and its adjusting method
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A kind of buffering centring means drawing bar for stablizing quartz
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A kind of high temperature furnace cooling water automatic cycle electric control system
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Conveying robot
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A kind of detection method of preform curvature
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The attemperator of preform
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Preform and preparation method thereof, optical fiber and preparation method thereof
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