Rōdō eisei
Subtitle: [Labor hygiene] / compiled by Nihon Sangyō Eisei Kyōkai
Publisher: Nenkin Hoken Kōseidan
Published: 1948
Place of publication: Tōkyō
Language: jpn
Number of pages: 134
Subjects: Labor and laboring classes; Medical care; Occupations; Diseases and hygiene
Notes: Bibliography: p. 131-132.