俺社创造了打井机 Anshe chuangzaole dajingji Designer Zhang Herong (张和荣) Cai Xu (蔡旭) Date 1973, June Publisher Renmin meishu chubanshe (人民美术出版社) Size 53.5x77 cm. Call nr. BG E15/94 Collection Landsberger collection
