常备不懈 Chang bei bu xie Designer Sima Lianyi (司马连义) Yang Debiao (杨德彪) Date 1978, June Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 53x77 cm. Call nr. BG E37/189 Collection Landsberger collection Theme People's Liberation Army Air Force (PLAAF)
