CEPT T/N 31-01 E-1989
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CEPT T/N 31-01 E-1989
Standard No.
CEPT T/N 31-01 E-1989
Release Date
1989
Published By
Conference of European Post Telecommunication (CEPT)
Latest
CEPT T/N 31-01 E-1989
CEPT T/N 31-01 E-1989 history
1989
CEPT T/N 31-01 E-1989
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