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18867606 · INTEGRATED HOLLOW-CORE OPTICAL FIBER PREFORM, OPTICAL FIBER AND FABRICATION METHOD THEREOF

Filed 2024-11-20 · Pending The official file ↗ · Art unit OPAP · Examiner Docket Stage Hard · CPC C03B 37/012 · YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY · Troutman Pepper Locke LLP

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