Study on the legal system of house takings 并列题名:Study on the legal system of house takings Study on the legal system of trust taxation Study of the legal system of SME set bond Study on the legal system of chattel mortgage Study on the legal system of retirement Study on the legal system of EU merger control 并列题名:Study on the legal system of chattel mortgage Study on the legal system of EU merger control. Study on the legal system of ecological welfare