出大力、流大汗、为社会主义多作贡献 Chu dali, liu dahan, wei shehui zhuyi duo zuo gongxian Designer Yang Keshan (杨克山) Date 1978, February Publisher Renmin meishu chubanshe (人民美术出版社) Size 53x75 cm. Call nr. BG E16/278 Collection IISH collection Notes The workers' helmet has a 大庆 - Daqing - emblem. Theme Daqing Link to IISH catalog https://search.iisg.amsterdam/Record/1067321
