電報 略號集
Subtitle: Shōwa 10-nen 6-gatsu 15-nichi genkō
Publisher: Nihon Ryokō Kyōkai
Published: 1935
Place of publication: Tōkyō
Language: jpn
Number of pages: 149
Subjects: Cipher and telegraph codes
Other titles: Denpō ryakugōshū
Notes: Errata slip inserted.