常备不懈，务歼入侵之敌 Chang bei bu xie, wu jian ruqin zhi di Designer Shanghai General Machinery Maintenance Factory Revolutionary Committee Propaganda Group (上海机修总厂革委会政宣组) Date 1971, July Publisher Shanghai renmin chubanshe (上海人民出版社) Size 52.5x77 cm. Call nr. BG E13/766 Collection Landsberger collection Theme People's Liberation Army Navy Link to IISH catalog https://search.iisg.amsterdam/Record/1006224
