Shishō tōkei no tsukurikata
By: Rōdōshō Rōdō Kijunkyoku Anzenka hen
Series: Sangyō anzen shirīzu -- dai 12-shū
Publisher: Sangyō Anzen Kyōkai
Published: 1949
Place of publication: Tōkyō
Language: jpn
Number of pages: 63
Subjects: Statistics; Occupational mortality; Industrial accidents