保持室内清洁 Baochi shinei qingjie Designer Propaganda Office of the Ministry of Health of the Central People's Government (中央人民政府卫生部宣传处) Date 1954, October Publisher Tianjin renmin yinshuai chang (天津人民印刷厂) Size 39x53.5 cm. Call nr. BG D25/157 Collection Landsberger collection Theme Hygiene
