日本国有鉄道事業報告
Subtitle: Shōwa 25-nendo
Publisher: Nihon Kokuyū Tetsudō
Published: 1950
Place of publication: Tokyo
Language: jpn
Number of pages: 16
Subjects: Railroads
Other titles: Nihon Kokuyū Tetsudō jigyō hōkoku
Notes: Cover title.