Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Portuguese
⇄
Arabic
Danish
Dutch
English
Finnish
French
German
Greek
Italian
Japanese
Polish
Spanish
Swedish
G
o
o
g
l
e
|
Forvo
|
+
sistema de referência do CCITT
commun.
master telephone transmission reference systems of the CCITT
tel.
fundamental reference system of the CCITT
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
