通路上的低位置轴杠要设安全桥 Tonglu shangde diwei zhi zhougang yao she anquanqiao Designer Ma Shuntian (马舜田) Li Ting (力汀) Shen Junke (沈君可) Labor Safety Department of the All-China Federation of Trade Unions (中华全国总工会劳动保护部) Date 1953, May Publisher Gongren chubanshe (工人出版社), Beijing Size 54x39 cm. Call nr. BG D25/309 Collection Landsberger collection Notes This is a print from the third edition (April 1954). Theme Early Campaigns (1949-1954)