The system of kanin had already started in the Spring and Autumn period but it became firmly established as an unified system after the Qin Dynasty which was the time when the centralized authoritarian rule and the constitutional system were established. 官印の制度は春秋時代から見られるが、統一的な制度として定着したのは中央集権制・法治体制が確立された秦代からである。 |