提高技术，争取更大的节约！ Tigao jishu, zhengqu gengdade jieyue! Designer Ha Qiongwen (哈琼文) You Longgu (游龙姑) Date 1956, August Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 53x77 cm. Call nr. PC-1956-010 Collection Private collection Theme Working Women
