Yazar
international telegraph conference 1928 brussels
4 cilt bulundu.
International Telegraph Union, International Telegraph Conference (1928 Brussels) · Bureau international de l'Union télégraphique
271 sayfa · 1928
Revisions (1875 Regulations) 1928 / Telegraph / Law and legislation / Telegraph (International law) / Congresses
International Telegraph Conference (1928 Brussels, Belgium) · U.S. G.P.O.
30 sayfa · 1928
Cipher and telegraph codes / Congresses / International Telegraph Conference (1928 : Brussels, Belgium) / Telegraph
United States. Delegation to the International telegraph conference, Brussels, 1928. · U.S. Govt,. print. off.
214 sayfa · 1929
Cipher and telegraph codes
United States. Delegation to the International Telegraph Conference, 1928, Brussels. · U.S. Govt. print. off.
30 sayfa · 1928