工廠安全與衛生
By: Guo min zheng fu cai zheng bu zhu Hu diao cha huo jia chu bian
Series: Lao gong wen ti cong shu -- 13
Publisher: Guo min zheng fu cai zheng bu zhu Hu diao cha huo jia chu
Published: 1927
Place of publication: Shanghai
Language: chi
Number of pages: 60
Other titles: Gong chang an quan yu wei sheng