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Notice of the Office of the China National Intellectual Property Administration on Printing and Distributing the Key Digital Technology Patent Classif

Time：2023-10-19

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State Intellectual Property Office China Trademark Network Patent Reexamination Invalidation Network China Intellectual Property Research Association International Association for the Protection of Intellectual Property China Branch World Intellectual Property Organization (wipo) All China Patent Attorneys Association China Court Network USPTO European Patent Office Japan Patent Office Korean Intellectual Property Office

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