Rōdō anzen eisei kankei hōrei kaishaku sōran
By: Rōdōshō Rōdō Kijunkyoku kanshū
Publisher: Rodo Hōrei Kyōkai
Published: 1959
Place of publication: Tōkyō
Language: jpn
Number of pages: 480
Subjects: Industrial hygiene; Law and legislation; Labor laws and legislation