ピストリング製造業
By: [henshū Rōdōshō Shokugyō Anteikyoku]
Series: Shokumu kaisetsu -- dai 72-shū
Publisher: Rōdōshō Shokugyō Anteikyoku
Published: 1950
Place of publication: Tokyo]
Language: jpn
Number of pages: 147
Subjects: Machinists; Job descriptions; Piston rings; Vocational qualifications
Other titles: Pisutoringu seizōgyō
Notes: Cover title.