a63f专利分类号 英文回答: The A63F patent classification is a system used to categorize and classify patents related to games, game devices, and game methods. It is a hierarchical syst
a63f专利分类号 英文回答: The A63F patent classification is a system used to categorize and classify patents related to games, game devices, and game methods. It is a hierarchical syst
a63f专利分类号 英文回答: The A63F patent classification is a system used to categorize and classify patents related to games, game devices, and game methods. It is a hierarchical syst