鉄鋼第二次製品製造業
Subtitle: bōruto, hatsujō, chēn
Series: Shokumu kaisetsu -- dai 44-shū
Publisher: Rōdōshō Shokugyō Anteikyoku
Published: 1949
Place of publication: Tokyo
Language: jpn
Number of pages: 210
Subjects: Hardware industry workers; Job descriptions; Vocational qualifications
Other titles: Tekkō dainiji seihin seizōgyō
Notes: Cover title.