Kinzoku kōgyō ni okeru rōshi kankei
Subtitle: sono mondaiten to taisaku : Kinzoku Kōgyō ni Okeru Rōshi Kankei Kenkyūkai hōkokusho
By: [chosha Kinzoku Kōgyō ni Okeru Rōshi Kankei Kenkyūkai]
Publisher: Nihon Rōdō Kyōkai
Published: 1951
Place of publication: Tōkyō
Language: jpn
Number of pages: 88