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 Guangdong Provincial Revolutionary Committee Earthquake Office (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
