实行三结合大搞技术革新和技术革命 Shixing sanjiehe da gao jishu gexin he jishu geming Designer Zhou Anqi (周安琪) Date 1965, April Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 53.5x77 cm. Call nr. BG E50/42 Collection IISH collection Notes The "three-in-one combination" (三结合) here refers to scientific experiment groups with workers, Party cadres and technicians. During the Cultural Revolution the term took on a different meaning, related to the Revolutionary Committees. Link to IISH catalog https://search.iisg.amsterdam/Record/1526765