New Official Vocabulary for Telegrams in Preconcerted Language: Prepared in Accordance with the Decisions of the International Telegraph Conference at Budapest, 第 1 巻International Office of the Telegraph Administations, 1899 |
New Official Vocabulary for Telegrams in Preconcerted Language: Prepared in Accordance with the Decisions of the International Telegraph Conference at Budapest, 第 1 巻International Office of the Telegraph Administations, 1899 |