Protect territorial airspace, protect coastal defense
Designer: Xiao Zhengpo (肖征泼)
1983, August
Protect territorial airspace, protect coastal defense
Baowei lingkong baowei haifang (保卫领空保卫海防)
Publisher: Yunnan renmin chubanshe (云南人民出版社)
Size: 53x76.5 cm.
Call number: BG E15/897 (Landsberger collection)
