Jiejin dimiande pidailun yao zhuang fanghu lan'gan 接近地面的皮带轮要装防护栏杆 Designer Ma Shuntian (马舜田) Li Ting (力汀) Date 1954, April Publisher Gongren chubanshe (工人出版社) Size 54x39 cm. Call nr. BG D25/308 Collection Landsberger collection Theme Early Campaigns (1949-1954) Tags China poster Chinese propaganda 1954 worker oil machinery safety pully