Shōwa 15-nendo ryokaku un'yu seiseki
Series: Tokubetsu shiryō -- dai 50-gō
Publisher: Mantetsu] Tetsudō Sōkyoku Chōsakyoku Shiryōka
Published: 1941
Place of publication: [Dairen?
Language: jpn
Subjects: Passenger traffic; Statistics; Railroads
Other titles: Shōwa jūgonendo ryokaku un'yu seiseki
Notes: Cover title.

Issued as confidential document.