電話機製造業
By: [henshū Rōdōshō Shokugyō Anteikyoku]
Series: Shokumu kaisetsu -- dai 77-shū
Publisher: Rōdōshō Shokugyō Anteikyoku
Published: 1950
Place of publication: Tokyo
Language: jpn
Number of pages: 257
Subjects: Electric industry workers; Job descriptions; Telephone supplies industry; Employees; Vocational qualifications
Other titles: Denwaki seizōgyō
Notes: Cover title.