Research on legal protection mode of industrial design 并列题名:Research on legal protection mode of industrial design Research on legal protection mode of audiovisual products 并列题名:Research on legal protection mode of audiovisual products Judicial protection of industrial designs Research on legal protection of intangible cultural heritage Research on the application of unispar model in industrial design General introduction of industrial design 并列题名:Judicial protection of industrial designs 并列题名:Research on the application of unispar model in industrial design