精心培育 Jingxin peiyu Designer Wang Junliang (王俊亮) Date 1972, October Publisher Hebei renmin chubanshe (河北人民出版社) Size 77x53 cm. Call nr. BG E13/869 Collection Landsberger collection Tags China poster Chinese propaganda 1972 experiment peasant educated youth spade retort sprayer insecticide laboratory
