Zoku Kokusai tsūshinsho kaisetsu
Contributors: Takahashi, Isao, 1885-; Nihon Kaiin Ekisaikai
Publisher: Nihon Kaiin Ekisaikai
Published: 1937
Place of publication: [Tokyo]
Language: jpn
Number of pages: 29
Subjects: Merchant marine; Ciphers and telegraph codes; Signaling
Other titles: Kokusai tsūshinsho kaisetsu.
Notes: Cover title.

Written by Takahashi Isao.