International Telecommunication Union
International Telecommunication Union (ITU)
International telecommunications satellite
international telecommunications union
International Telecommunications Union (ITU)
international telegraph alphabet
international telegraph alphabet NO.1
international telegraph alphabet NO.2
international telegraph alphabet NO.3
International Telecommunication Union (ITU)
International telecommunications satellite
international telecommunications union
International Telecommunications Union (ITU)
international telegraph alphabet
international telegraph alphabet NO.1
international telegraph alphabet NO.2
international telegraph alphabet NO.3
International Telecommunications Union (ITU)
International Telecommunications Union (ITU)
Definitions
- [1] 国际电信联合会