地震工作要以预防为主大打人民战争 Dizhen gongzuo yao yi yufang wei zhu dada renmin zhanzheng Designer Earthquake Office of the Guangdong Provincial Revolutionary Committee (广东省革委会地震办公室) Date ca. 1976 Publisher Publisher unknown Size 77x53 cm. Call nr. BG E37/243 Collection Landsberger collection Theme Earthquakes
