Research on legal protection of trust beneficiary 并列题名:Research on legal protection of trust beneficiary Research on legal protection mode of industrial design Research on protection mechanism for beneficiary Research on legal protection of intangible cultural heritage Research on legal protection and regulation of enterprise data 并列题名:Research on legal protection mode of industrial design Comparative research on legal protection of sports betting 并列题名:Research on legal protection of intangible cultural heritage 并列题名:Research on legal protection and regulation of enterprise data