Development and legal protection of non-cultural heritage industry 并列题名：Development and legal protection of non-cultural heritage industry 并列题名：China's legal protection of intangible cultural heritage research Research on legal protection of intangible cultural heritage Development and environmental protection of green aluminum industry China's legal protection of intangible cultural heritage research Research on the legal protection of intangible cultural heritage 并列题名：Research on legal protection of intangible cultural heritage Development of cultural resources and cultural industry