严守合同法规维护经济秩序 Yanshou hetong fagui weihu jingji zhixu Designer Designer unknown (未知) Date 1984 Publisher Publisher unknown Size 78x53 cm. Call nr. BG E15/734 Collection Landsberger collection Notes The poster focusses on the PRC Economic Cooperation Law (中华人民共和国经济合同法). Theme Legal Knowledge