Lao dong bao hu gong zuo wen da / Wang Yuchen, Zhao Yufeng bian.
劳动保护工作问答 / 王玉臣, 赵玉峰编.
Edition
Di 1 ban.
第1版.
Published
Beijing : Gong ren chu ban she : Xin hua shu dian Beijing fa xing suo fa xing, 1984.
北京 : 工人出版社 : 新华书店北京发行所发行, 1984.
Physical Description
2, 11, 315 p. : ill. ; 19 cm.
Notes
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