设备不安全部位应有防护罩 -- 安全生产挂图10 Shebei bu anquan bu weiying you fanghu zhao -- anquan shengchan guatu 10 Designer Li Shinan (李世南) Zhang Yuhai (张玉海) Date 1964, December Publisher Jixie gongye chubanshe (机械工业出版社) Size 78x54 cm. Call nr. BG E15/527 Collection Landsberger collection Theme Working Women