Gaimō ni okeru tsūshinmō
Contributors: Mantetsu Hokuman Keizai Chōsajo
Series: Hokkei Soren shiryō -- dai 31-gō. -- Gaimō shiryō -- no 4; Hokkei Soren shiryō -- dai 31-gō.; Hokkei Soren shiryō -- no 4.
Publisher: Harubin Tetsurokyoku Hokuman Keizai Chōsajo
Published: 1936
Place of publication: [Harbin]
Language: jpn
Subjects: Telecommunication
Notes: Cover title.

Prepared by Narita Seiyū. Cf. Pref.

Confidential document (stamped).