防空掩体的种类 Fangkong yanti de zhonglei Designer Designer unknown (未知) Date ca. 1971 Publisher Beijingshi renmin fangkong zhihuibu (北京市人民防空指挥部) Size 53x76 cm. Call nr. BG E35/679 Collection IISH collection Theme People's air defense common knowledge posters (ca. 1971) After the Attack (1971)
