铁钢长城 Tiegang chang cheng Designer Designer unknown (未知) Date 1991, July Publisher Chongqing chubanshe (重庆出版社) Size 77x53 cm. Call nr. BG E15/299 Collection Landsberger collection Notes A 1992 calendar, devoted to the PLA Army, Airforce and Navy. Published in 1991. Theme People's Liberation Army People's Liberation Army Air Force (PLAAF) People's Liberation Army Navy