敌机投弹方法 Diji toudan fangfa Designer Designer unknown (佚名) Date ca. 1971 Publisher Beijingshi renmin fangkong zhihuibu (北京市人民防空指挥部) Size 53x76 cm. Call nr. BG E35/674 Collection IISH collection Notes Nr. 4 of the set 'People's air defense common knowledge posters'. Browse the set: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 Theme After the Attack (1971) People's air defense common knowledge posters (ca. 1971) Tags China poster Chinese propaganda 1971 bomb airplane explosion bomber