Study on legal system of real right in China 并列题名:Study on legal system of real right in China Study of claim system on real rights Research on the legal system of easement in China Study on legal system of commercial tax in Ming dynasty study on the transfer of rural labor in China Research on legal system of housing right security in China Study on legal system of business names Study on the legal system of mineral resources in modern China Study on legal system of women's rights and interests protection