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U.75 : Automatic called telex answerback check

Recommendation U.75

In force components
Number
Title Status
U.75 (03/93)
 
Automatic called telex answerback check   In force
 
 
Superseded and Withdrawn components
Number
Title Status
U.75 (11/88)
 
Automatic called telex answerback check   Superseded

 

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Updated : 2008/09/08